KERUI M525 Home Security Welcome Wireless Doorbell

KERUI specialized in producing high-quality wireless doorbells, we sell wireless doorbells have passed CE and RoHS certification.
We are an honest brand and we have 6 months warranty or replacement commitment.

Main Features:

1. Button is Waterproof ,Don't worry about extended use

2. 3-Year Battery Life

3. Up to 500ft Ultra-long Transmission Distance

4. Easy to install with the double side adhesive tape or the screws.

IP55 Dustproof and Waterproof

Works between -4 °F to 140 °F; withstands various harsh weather conditions

Ultra Long Operating Range

Operating range up to 500ft / 150m in open area, ensures you to hear and answer the doorbell in time. You will never miss a visitor even if you are a few rooms away or on another floor

High Performance Transmitter

Ultra-low power consumption; uses a CR2032 lithium battery that boasts 3-year maximum lifespan

F15 , Press To Trigger , IP55 Waterproof Rating

F52 , Touch To Trigger , IP66 Waterproof Rating

32 Ringtones and 4 Adjustable Volumes

The wireless doorbell offers a wide selection of 32 melodies and 4 volume levels to meet your needs for different occasions. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice.

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

Support Expandable

Already paired before factory and different transmitters can be set to different tunes. Expandable up to 20 accessories

Product Details:

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 Type

F15 Waterproof Button : CR 2032