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ZKTeco SC800 User Manual Download Page 6

SC800 

  User Manual 

P a g e

 | 5

 

Copyright©2022 ZKTECO CO., LTD. All rights reserved. 

Table of Contents 

1 SAFETY MEASURES ............................................................................................ 9 

2 ELECTRICAL SAFETY ........................................................................................ 10 

3 OPERATION SAFETY ......................................................................................... 11 

4 INSTRUCTIONS FOR USE .................................................................................. 13 

I

NSTALLATION

 .............................................................................................. 13 

4.1 

4.1.1

 

I

NSTALLATION 

E

NVIRONMENT

......................................................................................... 13 

4.1.2

 

D

EVICE 

I

NSTALLATION

 .................................................................................................... 13 

S

TANDBY 

I

NTERFACE

 ..................................................................................... 14 

4.2 

V

ERIFICATION 

M

ODE

 ..................................................................................... 16 

4.3 

4.3.1

 

C

ARD 

V

ERIFICATION

 ....................................................................................................... 16 

4.3.2

 

P

ASSWORD 

V

ERIFICATION

 ............................................................................................... 17 

4.3.3

 

C

OMBINED 

V

ERIFICATION

 ............................................................................................... 18 

A

PPEARANCE

 ............................................................................................... 20 

4.4 

T

ERMINAL 

D

ESCRIPTION

 ................................................................................ 20 

4.5 

W

IRING 

D

ESCRIPTION

 ................................................................................... 22 

4.6 

4.6.1

 

P

OWER 

C

ONNECTION

 ..................................................................................................... 22 

4.6.2

 

E

THERNET 

C

ONNECTION

 ................................................................................................ 22 

4.6.3

 

D

OOR 

S

ENSOR

,

 

E

XIT 

B

UTTON

,

 

A

LARM AND 

A

UXILIARY 

C

ONNECTION

 ........................... 23 

4.6.4

 

L

OCK 

R

ELAY 

C

ONNECTION

 ............................................................................................. 23 

4.6.5

 

W

IEGAND 

R

EADER 

C

ONNECTION

 ................................................................................... 24 

4.6.6

 

RS485

 

C

ONNECTION

 .................................................................................................... 24 

4.6.7

 

RS232

 

C

ONNECTION

 .................................................................................................... 24 

5 MAIN MENU ...................................................................................................... 25 

6 USER MANAGEMENT ........................................................................................ 27 

N

EW 

U

SER 

R

EGISTRATION

 .............................................................................. 27 

6.1 

6.1.1

 

R

EGISTER A 

U

SER 

ID....................................................................................................... 27 

6.1.2

 

U

SER 

R

OLE

 ..................................................................................................................... 28 

6.1.3

 

C

ARD 

N

UMBER

............................................................................................................... 28 

Summary of Contents for SC800

Page 1: ...roduct Please read the instructions carefully before operation Follow these instructions to ensure that the product is functioning properly The images shown in this manual are for illustrative purpose...

Page 2: ...aintenance of the supplied equipment If any of the content s of the manual seems unclear or incomplete please contact ZKTeco before starting the operation and any information contained in this manual...

Page 3: ...ompensation or damages under any circumstances ZKTeco shall in no way be responsible i in case the machine unit equipment malfunctions due to any non compliance of the instructions contained in this m...

Page 4: ...of biometric verification procedures and the productization of biometric verification SDK which was initially widely applied in PC security and identity authentication fields With the continuous enhan...

Page 5: ...tion Button or key names for devices For example press OK Window names menu items data table and field names are inside square brackets For example pop up the New User window Multi level menus are sep...

Page 6: ...CARD VERIFICATION 16 4 3 2 PASSWORD VERIFICATION 17 4 3 3 COMBINED VERIFICATION 18 APPEARANCE 20 4 4 TERMINAL DESCRIPTION 20 4 5 WIRING DESCRIPTION 22 4 6 4 6 1 POWER CONNECTION 22 4 6 2 ETHERNET CONN...

Page 7: ...ON 37 8 3 WI FI SETTINGS 38 8 4 CLOUD SERVER SETTINGS 40 8 5 WIEGAND SETUP 41 8 6 8 6 1 WIEGAND INPUT 42 8 6 2 WIEGAND OUTPUT 45 NETWORK DIAGNOSIS 46 8 7 9 SYSTEM SETTINGS 47 DATE AND TIME 47 9 1 ACCE...

Page 8: ...ESS OPTIONS SETTINGS 80 12 7 13 ATTENDANCE SEARCH 83 14 WORK CODE 84 NEW WORK CODE 84 14 1 ALL WORK CODES 85 14 2 WORK CODE OPTIONS 85 14 3 15 AUTOTEST 87 16 SYSTEM INFORMATION 89 17 CONNECT TO ZKBIO...

Page 9: ...03 19 6 COMM 104 19 7 CLOUD SERVER SETTINGS 105 19 8 DATE SETUP 106 19 9 SYSTEM 107 19 10 SERIAL COMM 108 19 11 WIEGAND SETUP 110 19 12 ACCESS CONTROL OPTIONS 111 19 13 DEVICE MANAGEMENT 113 19 14 UPD...

Page 10: ...rating instructions 3 Accessories Use only manufacturer recommended or product sold accessories Please do not use any other components other than manufacturer suggested materials 4 Precautions for the...

Page 11: ...cian to perform safety checks to make sure that the proper operation of the device 9 Power sources Operate the system only from the label s power source form If the sort of power supply to use is uncl...

Page 12: ...off the power and unplug the power cable and then please contact the service center Transportation and other unpredictable factors may cause damage the device hardware Before installation check to see...

Page 13: ...rrectly A reverse connection may damage the device It is not advisable to connect the AC 24V power supply to the DC 12V input port Make sure to connect the wires following the positive polarity and ne...

Page 14: ...ease refer to the following recommendations for installation 4 1 2 Device Installation 1 Stick the mounting template sticker to the wall and drill holes according to the mounting template sticker 2 Fi...

Page 15: ...e input of numbers other characters such as English and symbols can be synchronized by the software down Before getting into the device features and functions it is recommended to be familiar with the...

Page 16: ...security of the device it is recommended to register a super administrator the first time you use the device On the standby interface the punch state options can also be shown and used directly The b...

Page 17: ...cation 1 N Card Verification Mode The 1 N Card Verification Mode compares the card number in the card induction area with all the card number data registered in the device The following is the card ve...

Page 18: ...n to the card the following screen will appear Select the card to enter card verification mode 4 3 2 Password Verification The device compares the entered password with the registered password of the...

Page 19: ...ssword and a wrong password respectively Verification is successful Verification is failed 4 3 3 Combined Verification This device allows you to use a different types of verification methods to increa...

Page 20: ...be able to successfully verify the combined verification process For example if an employee has only registered for password data but the Device verification mode is set to Password Card the employee...

Page 21: ...ser Manual P a g e 20 Copyright 2022 ZKTECO CO LTD All rights reserved Appearance 4 4 No Description 1 Breathing Light 2 2 4 inch Color Screen 3 Hidden Touch Keypad 4 Speaker 5 Reset Terminal Descript...

Page 22: ...l rights reserved Interface Description 485A RS485 485B WD0 OUT Wiegand Out WD1 OUT INWD0 Wiegand In INWD1 GND 12V OUT TX232 RS232 RX232 NC Lock COM NO SEN Sensor Exit Button Auxiliary Input GND BUT A...

Page 23: ...1 12V 10 at least 3A 2 To share the power with other devices use an AC Adapter with higher current ratings 4 6 2 Ethernet Connection Connect the device and computer via an Ethernet cable as shown in...

Page 24: ...Auxiliary Connection 4 6 4 Lock Relay Connection The system supports Normally Opened Lock and Normally Closed Lock The NO LOCK normally unlocked when power ON is connected with NO and COM terminals a...

Page 25: ...O LTD All rights reserved 4 6 5 Wiegand Reader Connection Note 485A and 485B can be connected to the Barrier gate or the 485 Reader separately but cannot be connected to the gate and reader at the sam...

Page 26: ...he users for example the system s operating rights COMM To set the relevant parameters of Network Serial Comm PC Connection Wi Fi Cloud Server Wiegand and Network Diagnosis System To set parameters re...

Page 27: ...day Settings Combine verification Anti Passback Setup and Duress Option Settings Attendance Search To query the specified Event logs Work Code Set different type of work Autotest To automatically test...

Page 28: ...on the main menu 6 1 1 Register a User ID Tap New User and enter the User ID Note 1 By default the user ID can have 1 to 14 digits 2 During the initial registration you can modify your ID but not aft...

Page 29: ...e the system and can only access authentic verifications User Defined Roles The Normal User can also be assigned custom roles with User Defined Role The user can be permitted to access several menu op...

Page 30: ...er the required password and re enter to confirm it and tap M OK If the re entered password is different from the initially entered password then the device prompts the message as Password not match w...

Page 31: ...nd can be reassigned to other groups The device supports up to 99 Access Control groups Tap Verification Mode to select the verification mode Tap Apply Group Time Period to select the time to use All...

Page 32: ...User On the All Users interface tap on the required user from the list and tap Delete to delete the user or specific user information from the device On the Delete interface tap on the required opera...

Page 33: ...opyright 2022 ZKTECO CO LTD All rights reserved Display Style 6 3 On the Main Menu tap User Mgt and then tap Display Style to enter Display Style setting interface All the Display Styles are shown as...

Page 34: ...ons The permission scope of the custom role can be set up into 3 roles that is the custom operating scope of the menu functions of the user On the User Defined Role interface toggle Enable Defined Rol...

Page 35: ...select its required sub menus from the list Note If the User Role is enabled for the Device tap on User Mgt New User User Role to assign the created roles to the required users But if there is no supe...

Page 36: ...erial Comm PC Connection Wi Fi Cloud Server Wiegand and Network Diagnosis Tap COMM on the main menu Ethernet 8 1 When the device needs to communicate with a PC over the Ethernet you need to configure...

Page 37: ...d according to the network availability DNS The default DNS address is 0 0 0 0 It can be modified according to the network availability TCP COMM Port The default TCP COMM Port value is 4370 It can be...

Page 38: ...higher the baudrate the faster is the communication speed but also less reliable Hence a higher baudrate can be used when the communication distance is short when the communication distance is long c...

Page 39: ...i module enables data transmission via Wi Fi Wireless Fidelity and establishes a wireless network environment Wi Fi is enabled by default in the device If you don t need to use the Wi Fi network you c...

Page 40: ...Wi Fi can also be added manually if the required Wi Fi does not show on the list Note After successfully adding the WIFI manually follow the same process to search for the added Wi Fi name WIFI Enable...

Page 41: ...f the DHCP is enabled then the IP cannot be set manually IP Address The IP address for the Wi Fi network the default is 0 0 0 0 It can be modified according to the network availability Subnet Mask The...

Page 42: ...able Proxy Server The IP address and the port number of the proxy server is set manually when the proxy is enabled HTTPS Based on HTTP transmission encryption and identity authentication make sure tha...

Page 43: ...37 bits and 50 bits Wiegand Bits The number of bits of the Wiegand data Pulse Width us The value of the pulse width sent by Wiegand is 100 microseconds by default which can be adjusted within the rang...

Page 44: ...to 13th bits while the 26th bit is the odd parity bit of the 14th to 25th bits The 2nd to 9th bits is the site codes while the 10th to 25th bits are the card numbers Wiegand34 ECCCCCCCCCCCCCCCCCCCCCCC...

Page 45: ...5th bits The 2nd to 19th bits is the device codes and the 20th to 35th bits are the card numbers Wiegand37 OMMMMSSSSSSSSSSSSCCCCCCCCCCCCCCCCCCCE It consists of 37 bits of binary code The 1st bit is th...

Page 46: ...site codes and the 18th to 49th bits are the card numbers C denotes the card number E denotes the even parity bit O denotes the odd parity bit F denotes the facility code M denotes the manufacturer co...

Page 47: ...lid value ranges from 0 to 256 by default Pulse Width us The time width represents the changes in the quantity of electric charge with regular high frequency capacitance within a specified time Pulse...

Page 48: ...ttings It helps to set related system parameters to optimize the accessibility of the device Tap System on the Main Menu interface to get into its menu options Access Control Terminal Time Attendance...

Page 49: ...ally select the time zone where the device is located Enable or disable this format by tapping 24 Hour Time If enabled then select the Date Format to set the date Tap Daylight Saving Time to enable or...

Page 50: ...January 1 2021 Access Logs Settings and Attendance 9 2 Tap Access Logs Settings and Attendance on the System interface Access Control Terminal Time Attendance Terminal Function Description of Access C...

Page 51: ...to display a successful verification message Valid value 1 to 9 seconds Function Description of Time Attendance Terminal Function Name Description Duplicate Punch Period m Within a set time period uni...

Page 52: ...e function or set a valid value between 1 and 999 Authentication Timeout s The amount of time taken to display a successful verification message Valid value 1 to 9 seconds Card Management 9 3 Tap Card...

Page 53: ...ngs Function Name Description Communication Protocol Set the PUSH protocol Device Type Set the device as an access control terminal or attendance terminal Note After changing the device type the devic...

Page 54: ...computer in advance for offline use SSH SSH is used to enter the background of the device for maintenance User ID Masking When enabled and then the user is successfully compared and verified the User...

Page 55: ...SC800 User Manual P a g e 54 Copyright 2022 ZKTECO CO LTD All rights reserved factory settings...

Page 56: ...o customize interface settings voice bell punch state options and shortcut key mappings User Interface 10 1 Tap User Interface on the Personalize interface to customize the display style of the main i...

Page 57: ...the time exceeds the set value a slide show is displayed The function can be disabled or you may set the value between 3 and 999 seconds Slide Show Interval s It is the time interval in switching betw...

Page 58: ...ction Description Function Name Description Voice Prompt Toggle to enable or disable the voice prompts during function operations Keyboard Prompt Toggle to enable or disable the keypad sounds Volume A...

Page 59: ...e the bell status Bell Time Once the required time is set the device automatically triggers to ring the bell during that time Repeat Set the required number of counts to repeat the scheduled bell Ring...

Page 60: ...nterface tap the required bell schedule tap Delete and then tap Yes to delete the selected bell Punch States Options 10 4 Tap Punch States Options on the Personalize interface to configure the punch s...

Page 61: ...me auto switch punch state key Manual Fixed Mode After the punch state key is set manually to a particular punch status the function will remain unchanged until it is being manually switched again Fix...

Page 62: ...ion interface will be displayed directly Tap Shortcut Key Mappings on the Personalize interface to set the required shortcut keys On the Shortcut Key Mappings interface tap on the required shortcut ke...

Page 63: ...e with the punch state options When the Punch State Mode is set to Auto Mode the switch time should be set On the Shortcut Key interface tap Set Switch Time to set the switch time On the Switch Cycle...

Page 64: ...data in the device Delete Data 11 1 Tap Delete Data on the Data Mgt interface to delete the required data Function Description Function Name Description Delete Access Records Attendance Data To delete...

Page 65: ...creen Savers To delete all the screen savers in the device Delete Backup Data To delete all the backup data in the device The user may select Delete All or Delete by Time Range when deleting the acces...

Page 66: ...hts reserved Select the local configuration items to be back up to the device and save the selected items Select Backup Start and tap M OK Restore Date 11 3 Restore the data stored on the device to th...

Page 67: ...800 User Manual P a g e 66 Copyright 2022 ZKTECO CO LTD All rights reserved Select the local configuration items to be restore to the device and save the selected items Select Backup Start and tap M O...

Page 68: ...Access Control Terminal Time Attendance Terminal To get access the registered user must meet the following conditions 1 The relevant door s current unlock time should be within any valid time zone of...

Page 69: ...he first group with the default group time zone where the access combo is 1 and is set in unlock state by default Access Control Options 12 1 Tap Access Control Options on the Access Control interface...

Page 70: ...erification mode includes Password Card User ID Only Password Card Only Password Card Door Available Time Period It sets the timing for the door so that the door is accessible only during that period...

Page 71: ...pes include None Trigger door open Trigger Alarm Trigger door open and Alarm Verify Mode by RS485 When the RS485 reader function is turned on the verification method is used when the device is used as...

Page 72: ...l be triggered The valid value of Door Sensor Delay ranges from 1 to 255 seconds Door Sensor Type There are three Sensor types None Normal Open and Normal Closed None It means the door sensor is not i...

Page 73: ...he RS485 reader function is turned on the verification method is used when the device is used as a master or a slave Valid Holidays To set if Normal Close Time Period or Normal Open Time Period settin...

Page 74: ...d the user can only verify within the valid time period One can set a maximum of 3 time periods for every time zone The relationship among these time periods is OR Thus when the verification time fall...

Page 75: ...The door is accessible for the whole day when the End Time occurs after the Start Time such that Start Time is 00 00 and End Time is 23 59 4 The default Time Zone 1 indicates that the door is open al...

Page 76: ...the Holidays interface and set the holiday parameters Access Control Terminal Time Attendance Terminal Edit a Holiday On the Holidays interface select a holiday item to be modified Tap Edit to modify...

Page 77: ...n set their personal time zone When the group verification mode and the user verification mode overlap the user verification mode takes priority Each group can set a maximum of 3 time zones as long as...

Page 78: ...em to be modified Tap Edit to modify group parameters Delete a Group On the All Group interface select a access group item to be deleted and tap Delete Tap M OK to confirm the deletion After deletion...

Page 79: ...the Door unlock combination 2 is set as 02 02 04 04 07 It indicates that the unlock combination 2 consists of 5 people the first two are from AC Group 2 the next two are from AC Group 4 and the last...

Page 80: ...eck out record must occur alternatively to open the door to represent a consistent pattern This function requires two devices to work together One device is installed on the indoor side of the door ma...

Page 81: ...back The user can check in again only if the last record is a check out record otherwise an alarm is raised However the user can check out freely In Out Anti passback In this case a user can check in...

Page 82: ...on Password When a user uses the password verification method an alarm signal will be generated otherwise there will be no alarm signal Alarm Delay s Alarm signal will not be transmitted until the al...

Page 83: ...e Description Duress Function Enable Disable the duress function Alarm on Password In ON state when a user uses password verification method alarm will be triggered In OFF state no alarm signal will b...

Page 84: ...Select Attendance Search on the Main Menu interface to search for the required event Logs 1 Enter the user ID to be searched and tap M OK If you want to search for records of all users tap M OK witho...

Page 85: ...erminal provides a parameter to indicate the corresponding work type for every attendance record to facilitate rapid understanding of different attendance situations during the handling of attendance...

Page 86: ...ork code is the same as adding a work code except that the ID is not allowed to be modified Work Code Options 14 3 To set whether entering the work code is a must and whether the entered work code mus...

Page 87: ...SC800 User Manual P a g e 86 Copyright 2022 ZKTECO CO LTD All rights reserved...

Page 88: ...ction Name Description Test All To automatically test whether the LCD Voice Microphone Fingerprint Camera and Real Time Clock RTC are normal Test LCD To automatically test the display effect of LCD sc...

Page 89: ...pped key matches the key displayed on the screen The keys are displayed as dark grey before and turn blue after tapped Tap ESC to exit the test Test Clock RTC To test the RTC The device tests whether...

Page 90: ...olicy Function Description Function Name Description Device Capacity Displays the current device s user storage card and password storage administrators and records Device Info Displays the device s n...

Page 91: ...unicate with the ZKBio Access IVS server preferably in the same network segment with the server address 2 In the main menu click COMM Cloud Server Setting to set the server address and server port Ser...

Page 92: ...1 Click Access Control Device Search Device to open the Search interface in the software 2 Click Search and it will prompt Searching 3 After searching the list and total number of access controllers...

Page 93: ...rved Add Personnel on the Software 17 3 1 Click Personnel Person New 2 Fill in all the required fields and click OK to register a new user 3 Click Access Device Device Control Synchronize All Data to...

Page 94: ...egment with the server address 2 In the main menu click COMM Cloud Server Setting to set the server address and server port Server address Set the IP address as of ZKBioTime 8 0 server Server port Set...

Page 95: ...eserved Add Personnel on the Software 18 3 1 Click Personnel Employee Add 2 Fill in all the required fields and click Confirm to register a new user 3 Click Device Device Data Transfer Sync Data to De...

Page 96: ...in allows the Webserver to remotely view the information of the device hardware software capacity and data etc set up the system communication access control and system functions etc add users and upg...

Page 97: ...default user name is admin and the password is admin 123 Note 1 After logging in for the first time users must need to change their default password and log in again before they can use it please ref...

Page 98: ...d 19 2 Method 1 When there is a super admin If you forget your WebServer password the registered super admin can reset it for you The detailed steps are as follows 1 Click the icon on the login interf...

Page 99: ...hts reserved 3 After a successful reset enter the default user name and password user name admin and password admin 123 on the login interface to log in 4 After successfully logging in please change y...

Page 100: ...Server register the super admin information and set the super admin role on the new interface as required 2 After registering the information of the super admin click Save and New 3 Click Access Devic...

Page 101: ...ing the password User Registration 19 3 Click User Mgt All Users on the WebServer On All Users interface you can register the User ID Name Rights Password Card Number and Access Control Role of the ne...

Page 102: ...number the user can swipe the card for verification Also can click Register and the device will display the card registration interface in real time swipe the card underneath the card reading area The...

Page 103: ...ebServer click the Search Bar to enter the required retrieval keyword which the keyword can be the user ID surname or full name and the system will search for the related user information Edit User 19...

Page 104: ...mation is the same as that of adding a new user except that the User ID cannot be modified The process in detail refers to User Registration Delete User 19 6 On the All Users interface select the requ...

Page 105: ...ic Host Configuration Protocol dynamically allocates IP addresses for clients via server IP Address The default IP address is 192 168 1 201 It can be modified according to network availability Subnet...

Page 106: ...ud Server Settings 19 8 Click Cloud Service Settings on the WebServer Cloud Server Setup was used to connect to the ZKBio Access IVS and ZKBioTime8 0 please refer to set the communication address Func...

Page 107: ...e transmission process Proxy Server Setup When you choose to enable the proxy you need to set the IP address and port number of the proxy server Date Setup 19 9 Click Date Setup on the WebServer Click...

Page 108: ...0 User Manual P a g e 107 Copyright 2022 ZKTECO CO LTD All rights reserved System 19 10 Click System on the WebServer It helps to set related system parameters to optimize the accessibility of the dev...

Page 109: ...lt will be replaced with an to achieve secure protection of sensitive private data Display Verification Name Set whether to display the username in the verification result interface Display Verificati...

Page 110: ...to a card reader OSDP Output Communicate with the device through the OSDP serial port Baudrate There are 5 baudrate options at which the data communicates with the PC They are 115200 default 57600 38...

Page 111: ...k Wiegand Setup on the WebServer It is used to set the Wiegand input and output parameters Function Name Description Wiegand Format Its value can be 26 bits 34 bits 36 bits 37 bits 50 bits and 60 bits...

Page 112: ...ck of the terminal and related equipment Function Name Description Door Lock Delay s The length of time that the device controls the electric lock to be in unlock state Valid value 1 to 99 seconds Doo...

Page 113: ...losed when electric power is on Master Device While configuring the master and slave devices you may set the state of the master as Out or In Out A record of verification on the master device is a che...

Page 114: ...change the super administrator into a normal user Restart Choose whether to restart the device Reset The Reset function restores the device settings such as communication and system settings to the de...

Page 115: ...SSH Delete All Data To delete the information and attendance logs access records of all registered users Update Firmware 19 15 Click Update Firmware on the WebServer Select an upgrade file and click...

Page 116: ...Manual P a g e 115 Copyright 2022 ZKTECO CO LTD All rights reserved Change Password 19 16 Click Change Password on the WebServer In this interface you can change the password and reset the password of...

Page 117: ...16 Copyright 2022 ZKTECO CO LTD All rights reserved Operation Log 19 17 Click Operation Log on the WebServer All the user s operation records on the device or WebServer are saved Users can search and...

Page 118: ...ogs 19 18 Click Download Firmware Logs on the WebServer In this interface you can select download the main biometric or dev log System Information 19 19 Click System Information on the WebServer In th...

Page 119: ...SC800 User Manual P a g e 118 Copyright 2022 ZKTECO CO LTD All rights reserved...

Page 120: ...Displays the device s name serial number MCU version MAC address platform and manufacturer information Device Capacity Displays the current device s user storage password and card storage administrato...

Page 121: ...eco friendly operational period specified for this product does not include batteries or other components that are easily worn down and must be periodically replaced The battery s eco friendly operati...

Page 122: ...006 indicates that the total amount of toxic content in all the homogeneous materials exceeds the limit as specified in SJ T 11363 2006 Note 80 of this product s components are manufactured using non...

Page 123: ...t 2020 ZKTECO CO LTD All rights reserved ZKTeco Industrial Park No 32 Industrial Road Tangxia Town Dongguan China Phone 86 769 82109991 Fax 86 755 89602394 www zkteco com Copyright 2022 ZKTECO CO LTD...

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