This product is wireless magnetic sensor, it will alarm when the sensor detects someone come in.It has a remote control with it, which has the functions of arm,disarm,emergency alarm and doorbell.It is widely used in shop,supermarket,office and other needed places.
Wireless Magnetic Window Door Sensor, Remote Control Entry Detector Anti- Theif
C$18.00Price
Buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return shipping cost. The item(s) must be returned in the same exact condition as once it was delivered.