KERUI M525 Outdoor Wireless Doorbell Waterproof Smart Home Door Bell Chime Kit LED Flash Security Alarm Welcome House Melodies

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.

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
F52 Waterproof Button : 23A 12V / CR2032 (battery included)
F15 Waterproof Button : CR 2032 (battery included)