Infrared Doorbell Anti-thief doorbell burglar alarm for home security KR-M7

Doorbell Doobell

Wireless Doorbell function:

Doorbell Doorbell Doorbell

1. Split style, main alarm can be put in table and PIR sensor  be installed in ceiling of door
2. Integrate with welcome alarm, doorbell,  alarm system and night-light
3. Power save technology
4. can be as emergency alarm
5. Size: alarm part: 115*63*29mm
             PIR sensor: 89*69*30mm
6. Working temperature: -10°C-50°C
7. Adapter DC: 110V~220V to 9-12V
8. Wireless Receive Distance: 150m (open area)
9. Wireless Frequency: 433MHz