Infrared Sensor With Doorbell

Technical Specifications:

1 x Wireless Motion Sensor Alarm
Transmitter frequency: 433.92MHz
Transmitting distance: More than 80m in open air
Sensitive angle: Left and right 80˚, up and down 100˚
Sensitive distance: Up to 8mBatteries (Motion sensor): 3 x 1.5V AA batteries (not included)
Batteries (Door Chime Receiver) 2 x 1.5V AA batteries (not included)

Adjustable infrared motion sensor
No wiring needed
Wireless up to 80m
Alarm and 36 tunes
ICASA Approved
Easy to Install
3 volume settings (Low, Medium and High)