• Total Security motion detectors use passive infrared technology ensuring maximum security at your home or business. It is used to sense movement of people, animals, or other objects
• Detects motion up to 8m
• Dynamic range of 45 degree
• Operates with CR2450 battery（NOT INCLUDING）and can be used DC5V Power Supply
• Mini Design

When the P831 Motion Detector be triggered,it will sound and send signal to the system panel.The alarm system host will sound and send SMS/call to you preset phone number.You will receive the notification at the first time

With a magnetic swivel base, you can just stick P831 motion detector on it and twist it in any directions