KERUI M525 Home Security Welcome Wireless Doorbell Smart Chimes Doorbell Alarm LED light 32 Songs with Waterproof Touch Button

One doorbell host can add up to 20 buttons/detectors
One button can be add into unlimited doorbell host
You can buy compatible wireless botton in this link:  Click here 

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Waterproof touch doorbell button

F52 doorbell button waterproof level is up to IP66,you can put it on the outdoor wall .And low power consumption, it can use about one year if press average 10 times a day.

Note:Because of aviation restrictions , F52 Waterproof button not include battery (23A 12V)

Easy to install

Just plug the receiver into power socket and attach the transmitter on door,you don't even necessarily have to make holes or damage anything.

Strong signal ,150m long distance Transmission

Long operating range can be up to 500ft(150m) in open space,

great for large house including villas, apartment, offices, shops, warehouses, etc.

4 Levels Adjustable Volume

One transmitter can pair with several(max 30) receivers,and one receiver can pair with several(max 30) transmitters.

Customize your doorbell according to your need.

 

 
1. Working Voltage: AC 100-240V
 
2. Working Current: < 100 mA
 
3. Wireless Frequency: 433 MHz
 
4. Working Temperature: -10-50 degree centigrade
 
5. Wireless Distance: 150 meters (Open area)
 
 
 
Frequency: 433Mhz
 
Operation  Current:8~15mA
 
Quiescent Current:3uA
 
Operation  Temp:-10C~50C;Humidity :no more than 90%
 
Battery:23A 12V (battery not include)
 
Transmit Distance:< 80 M
 
Size:74*46*12 mm
 
 
Applies widely to works, banks, stores, warehouses, offices and homestead
thanks to its kinds of protection abilities like anti-theft, fire prevention, gas leakage protection
and most importantly, emergency calls.