Main Features:

1. Wireless doorbell ,easy to install.

2. Plug in receiver with Night light function ; 

3.Operating Range: 200M in open air

4. 52 melodies for choosen ;

5. 4-Level Volume Control(25dB-100dB)

6.  LED Indicator 

7. IP56 Waterproof Push Button

8. Auto Learning code, easy to DIY but no interference .

9.one receiver can pair with 8 transmitters , one transmitter can pair many receivers ,no limited . 

Specifications:

1. Plug type: US,EU,UK ,SAA

2. Voltage of Receiver: AC 110V ~ 220V . 

3. Power Supply of Transmitter: CR2032 Alkaline Battery

4. Power Consumption of Transmitter : < 10mW

3. Receiver power comsumption :< 0.4W

5. Working Temperature: -20℃~50℃

6. Frequency: 433.92 MHz

7.Installation methord : Double sticker or screws