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A20 A20

AC door bell

Item No.:A20

  • Receiver plug selection:GB/EU regulations/British gauge/US gauge(optional)
  • Working frequency:315/433MHz±2MHz
  • Sound volume range:20-85dB±5dB (4 levels volume adjusted)
  • Receiver working voltage:AC (110-220)V 50Hz/60Hz
  • Transmitter rated voltage:≤10mw
  • Size of receiver:85X85X39MM
  • Size of transmitter:85X35X19.5MM

Product Description



Wireless doorbell an ideal for easily installing a doorbell no more fiddly wires. Simply plug the receiver to an AC outlet and mount the transmitter where needed and you are ready to go! The doorbell features multiple color with flexible match, 36ring-tones and four levels ofvolume to more suit your needs and can reach a distance of up to 200m when there are without obstructions.

Why choose wireless doorbell?

Wireless door bells are ideal choices for tenants who can use them without the need to make any new wiring connections in their rental property. When moving out and changing your abode, you can simply detach the doorbell apparatus and install it in your new home quite easily. 

Main features:

1.  Stylish modern design with multiple color optional, more fits into any home and office.

2.  36ring-tones (24 chord)to choose from and 4 steps volume control(20~ 90dB).

3.  Simple to use and easy-to-install without the hassle of running any wires.

4.  With up to 200m operating range in open space,100~150m with walls and doors.

5.  IP47/IP44 waterproof transmitter

6.  Eye-catching led instruction light when someone pushes the doorbell.

7.  Different quantity of push unit(transmitter) and chime unit(receiver) are free to pair together.

8.  Using learning code to prevent interference from other wireless transmitters.

9. Easy to choose your change and select your favorite ring-tone with forward and backward button.

10. Approved with CE,FCC,RoHS certification.



Voltage of Plug-In Smart Receiver: AC 110V ~ AC 220V 50Hz/60Hz

Battery remote operate Transmitter: 12V 23A Alkaline Battery

Power Consumption (Transmitter): < 10mW

Wireless Range: 600 ft in Open Air; 100~450 ft with Metal Security doors and Walls

Selectable Ring Tone: 36 Options

Volume Range: 4 Levels (up to 90 dB)

Expandable to Multiple Smart Receiver or Transmitter: Up to 50, Below 10

Working Frequency: 433.92 MHz±280KHz

Working Temperature: -30℃~70℃

Plug type: US,EU,UK optional

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