Pir Wireless Human Body Walking Motion Activated Sensor Doorbell Door Security Alarm Alert System With Dog Barking Sound
When the the Passive Infrared (PIR) sensors detected movement, it will send a wireless signal to the receiver and trigger the receiver to alarm and flash blue LED Light from up to 100m/328ft away.
The receiver can be expanded to pair with 3 door entry alert security sensors or one door sensor to N chime receivers, effectively securing a large area.
Install the sensors on front doors, window frames, door entrance or anywhere you want to be alerted to motion. Not only can be used in your house, but also can be use in retail store, garage, office. protect your family and property. Convenient and extremely affordable.
Specifications:
Power Supply (PIR Sensor): ( 3 x AAA Battery )(not Included),Receiver: 3xAA Battery (not included)
Transmitting Frequency: 315 MHz ±0.5MHz
Transmitting Range(Sensors and Receiver): 300m/328ft (no obstruction)
Motion detecting Range: 0-7m/0-23.1ft
Motion detecting Angle: 0-110°
Ringtones& Indicators: 8 Ringtones to choose & LED Indicators(3 dog barking sound,dingdong,alarm,double dingdong ,Hello welcome)
Ring Volume: 110-80-60-40-20-0db
The 3*AAA Battery life: 12 months(10-15 times trigger each day)