KERUI P831 Mini PIR Motion Detector Wireless Alarm Sensor With Magnetic Swivel Base For W181 W202 W204 Home Alarm System

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