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ENGLISH
Appendix: Specifications
DVR User’s Manual
113
Model
EL421
EL821
EL1621
General
PTZ Control
RS485 Built-In, supports PELCO-P & PELCO-D
Sensor & Alarm I/O Port
No
Yes
IR Extender Port
No
Yes
Backup Method
HDD, USB, Network
Power Supply
12V/2A
12V/5A
Operating Temperature
(without HDD)
-10°C to 50°C ( 14°F to 122°F )
Storage Temperature
-20°C to 70°C (-4°F to 158°F)
Working Humidity
10% ~ 90%
Dimension (W x D x H)
250 x 230 x 45 mm
300 x 220 x 50 mm
* Specifications are subject to change without notice.