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Wireless Doorbell

User Manual

EN

1.The transmitter(s) supplied with this kit is(are) paired with 

receiver(s) and set to default tune “Dingdong”,IF NOT, please refer to 

the “

Getting Started

” to pair the transmitter(s) with receiver(s) and set 

your favorite tune(s).

2.Metal, walls, ceilings and other RF signals from electronic devices 

can affect the radio signal of the wireless doorbell. Generally the 

operating range can reach up to 600 feet in the open air and non-

interference environment, and 100~300 feet within obstructive 

environments. 

3.It is not advisable to mount the transmitter onto metal surfaces as 

the material can block RF signals between the transmitter and the 

receiver. However, if this is the only option then we recommend that 

you use the sticky pad provided as opposed to using the provided 

screws. 

4.The battery using in transmitter is 

23A

,Operating range will 

decrease if battery in transmitter is in low power status.

5.The push button is not advisable to mount the transmitter in the 

outdoor directly without any shelter which could accelerate aging of 

plastic materials. 

What You Should Know Before Installation

 

Troubleshooting

1
2

3

4

5

6

1

2

3

4

5

6

Plug-in Chime

Push Button

Back button

Forward button

Volume control

Plug(US/UK/EU/AU optional)

Speaker

Push button

5

2.Volume control: 

press       button on the receiver, this switch 

toggles between High and Low volume. 

Volume range:25~110dB

1.Tune setting or  pairing a (an additional)transmitter to receiver :

(1)Press      button or      Button to choose your favorite tune, the 

receiver playing is the tune selected.

(2) Hold the      button for about 5s and release until a  Ding-dong is 

heard and the LED indicator starts flashing.

(3) Press the transmitter button to send a signal to receiver to confirm, 

when the tune setting (pairing) is successful, the receiver will play the 

selected tune automatically.

Choose tune

Activate pairing mode

Confirm

5s

Important:

 

(1)The steps of 

changing a new tune

 or 

pairing an additional 

transmitter

 are the same.

(2)Pairing mode will last for 5s only and quit automatically after 

pairing is completed.

(3)The pairing mode is only available for a transmitter each time. 

For 

two or more transmitters

, please follow the  steps (1)-(3) above 

once again to get transmitters paired one by one.

(4)Maximally one receiver can pair with up to 50 transmitters, and 

the 

tune can be set different for each transmitter

3.Mounting the doorbell transmitter

Mount using either the double-sided adhesive pad, or the screws 

provided.

Mounting with double-sided adhesive tap:

(1).To ensure proper adhesion, please clean the surface of the 

intended location prior to the installation.

(2).Remove one side of the double-sided adhesive tap and stick it to 

the underside of the transmitter, tear off the other side and put 

transmitter onto wall, then press for 10s.

Important: 

test the operating range before final installation to 

make sure the position where you want to mount the doorbell 

transmitter is within the range of receiver. 

Note: 

please note that the double-sided adhesive tap will have poor 

adhesion ,if put on dirty or uneven surface. sunlight or rain will affect 

the adhesion and may cause the transmitter to come off.

1.The receiver doesn’t sound

Check the doorbell button battery, replace it if necessary.

The plug of receiver is loose.

The receiver could be out of range of the doorbell button.

The receiver may not have paired with the doorbell button.

Check that the volume control is not at the minimum setting. 

2.Operating range is reduced

Metal structures, including uPVC door frames can reduce the  

range of the doorbell. Avoid mounting the transmitter or receiver 

on or near metal structures.

Other equipment can cause radio interference that affects your 

doorbell.

Walls and ceilings will reduce the range.

Weak batteries will reduce range. Replace every 12–18 months.

Mounting with screw/anchors: 

Please prepare an electric drill, a Phillips-head screwdriver and a 

small flat-bladed screwdriver before installation.

 

(1).Insert a flat-bladed screwdriver into the slot A, carefully lever the 

cover and base apart.

(2).Attach the back cover to wall and make two marks at the location of 

the two mounting holes.

(3).Drill two holes on the marked locations, insert 2 expansion bolts 

provided in the package if necessary. Finally, screw up back cover and 

put back the front case.

4. Reset: 

Press      button for 5s to reset the receivers, the reset is 

successful when you hear the default doorbell sound with flashing 

LED.

5.Transmitter battery replacement:

 Remove the front of the case by 

pushing in the tab on the transmitter button with a small screwdriver, 

take our the battery and replace with a new one,finally put back in 

place.(

Battery Model:23A

)

Working voltage of plug-in receiver:

AC 110V (US)/ AC 220V (EU,UK,AU)

Battery in transmitter:

12V 23A alkaline battery

Power consumption of transmitter

< 10mW

Wireless range:

600 feet( in the open air)

Audible range

300 feet

Selectable tunes: 

52

Volume range:

25~110 dB, 4 levels

Expandable (Yes or No):

Yes

Working frequency:

315MHz/433.92 MHz±280KHz

Working temperature:

-30

~70

5s

+

-

Modern and stylish design

52 different selectable tunes 

4-level adjustable volume

600 feet operation range (in the open air)

Easy to install and use

Easy to add additional transmitters or receivers

Low power consumption

Features

Specifications

Getting Started

 

Made In China

Wireless Doorbell

User Manual

Made In China

Wireless Doorbell

User Manual

EN

1.The transmitter(s) supplied with this kit is(are) paired with 

receiver(s) and set to default tune “Dingdong”,IF NOT, please refer to 

the “

Getting Started

” to pair the transmitter(s) with receiver(s) and set 

your favorite tune(s).

2.Metal, walls, ceilings and other RF signals from electronic devices 

can affect the radio signal of the wireless doorbell. Generally the 

operating range can reach up to 600 feet in the open air and non-

interference environment, and 100~300 feet within obstructive 

environments. 

3.It is not advisable to mount the transmitter onto metal surfaces as 

the material can block RF signals between the transmitter and the 

receiver. However, if this is the only option then we recommend that 

you use the sticky pad provided as opposed to using the provided 

screws. 

4.The battery using in transmitter is 

23A

,Operating range will 

decrease if battery in transmitter is in low power status.

5.The push button is not advisable to mount the transmitter in the 

outdoor directly without any shelter which could accelerate aging of 

plastic materials. 

What You Should Know Before Installation

 

Troubleshooting

1
2

3

4

5

6

1

2

3

4

5

6

Plug-in Chime

Push Button

Back button

Forward button

Volume control

Plug(US/UK/EU/AU optional)

Speaker

Push button

5

2.Volume control: 

press       button on the receiver, this switch 

toggles between High and Low volume. 

Volume range:25~110dB

1.Tune setting or  pairing a (an additional)transmitter to receiver :

(1)Press      button or      Button to choose your favorite tune, the 

receiver playing is the tune selected.

(2) Hold the      button for about 5s and release until a  Ding-dong is 

heard and the LED indicator starts flashing.

(3) Press the transmitter button to send a signal to receiver to confirm, 

when the tune setting (pairing) is successful, the receiver will play the 

selected tune automatically.

Choose tune

Activate pairing mode

Confirm

5s

Important:

 

(1)The steps of 

changing a new tune

 or 

pairing an additional 

transmitter

 are the same.

(2)Pairing mode will last for 5s only and quit automatically after 

pairing is completed.

(3)The pairing mode is only available for a transmitter each time. 

For 

two or more transmitters

, please follow the  steps (1)-(3) above 

once again to get transmitters paired one by one.

(4)Maximally one receiver can pair with up to 50 transmitters, and 

the 

tune can be set different for each transmitter

3.Mounting the doorbell transmitter

Mount using either the double-sided adhesive pad, or the screws 

provided.

Mounting with double-sided adhesive tap:

(1).To ensure proper adhesion, please clean the surface of the 

intended location prior to the installation.

(2).Remove one side of the double-sided adhesive tap and stick it to 

the underside of the transmitter, tear off the other side and put 

transmitter onto wall, then press for 10s.

Important: 

test the operating range before final installation to 

make sure the position where you want to mount the doorbell 

transmitter is within the range of receiver. 

Note: 

please note that the double-sided adhesive tap will have poor 

adhesion ,if put on dirty or uneven surface. sunlight or rain will affect 

the adhesion and may cause the transmitter to come off.

1.The receiver doesn’t sound

Check the doorbell button battery, replace it if necessary.

The plug of receiver is loose.

The receiver could be out of range of the doorbell button.

The receiver may not have paired with the doorbell button.

Check that the volume control is not at the minimum setting. 

2.Operating range is reduced

Metal structures, including uPVC door frames can reduce the  

range of the doorbell. Avoid mounting the transmitter or receiver 

on or near metal structures.

Other equipment can cause radio interference that affects your 

doorbell.

Walls and ceilings will reduce the range.

Weak batteries will reduce range. Replace every 12–18 months.

Mounting with screw/anchors: 

Please prepare an electric drill, a Phillips-head screwdriver and a 

small flat-bladed screwdriver before installation.

 

(1).Insert a flat-bladed screwdriver into the slot A, carefully lever the 

cover and base apart.

(2).Attach the back cover to wall and make two marks at the location of 

the two mounting holes.

(3).Drill two holes on the marked locations, insert 2 expansion bolts 

provided in the package if necessary. Finally, screw up back cover and 

put back the front case.

4. Reset: 

Press      button for 5s to reset the receivers, the reset is 

successful when you hear the default doorbell sound with flashing 

LED.

5.Transmitter battery replacement:

 Remove the front of the case by 

pushing in the tab on the transmitter button with a small screwdriver, 

take our the battery and replace with a new one,finally put back in 

place.(

Battery Model:23A

)

Working voltage of plug-in receiver:

AC 110V (US)/ AC 220V (EU,UK,AU)

Battery in transmitter:

12V 23A alkaline battery

Power consumption of transmitter

< 10mW

Wireless range:

600 feet( in the open air)

Audible range

300 feet

Selectable tunes: 

52

Volume range:

25~110 dB, 4 levels

Expandable (Yes or No):

Yes

Working frequency:

315MHz/433.92 MHz±280KHz

Working temperature:

-30

~70

5s

+

-

Modern and stylish design

52 different selectable tunes 

4-level adjustable volume

600 feet operation range (in the open air)

Easy to install and use

Easy to add additional transmitters or receivers

Low power consumption

Features

Specifications

Getting Started

 

Made In China

Wireless Doorbell

User Manual

Made In China

Summary of Contents for UT-WD143

Page 1: ... the transm when the tune settin selected tune autom Choose tune 1 The receiver doesn t sound Check the doorbell button battery replace it if necessary The plug of receiver is loose The receiver could be out of range of the doorbell button The receiver may not have paired with the doorbell button Check that the volume control is not at the minimum setting 2 Operating range is reduced Metal structu...

Page 2: ... small screwdriver take our the battery and replace with a new one finally put back in place Battery Model 23A 5s F Getting Started Made In China 2 Volume control press button on the receiver this switch toggles between High and Low volume Volume range 25 110dB g or pairing a an additional transmitter to receiver utton or Button to choose your favorite tune the ng is the tune selected button for a...

Page 3: ...sm when the tune settin selected tune autom Choose tune 1 The receiver doesn t sound Check the doorbell button battery replace it if necessary The plug of receiver is loose The receiver could be out of range of the doorbell button The receiver may not have paired with the doorbell button Check that the volume control is not at the minimum setting 2 Operating range is reduced Metal structures inclu...

Page 4: ...ushing in the tab on the transmitter button with a small screwdriver take our the battery and replace with a new one finally put back in place Battery Model 23A 5s F Getting Started Made In China 2 Volume control press button on the receiver this switch toggles between High and Low volume Volume range 25 110dB g or pairing a an additional transmitter to receiver tton or Button to choose your favor...

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