【Wireless 315MHz roller shutter door sensor】special for rolling shutters, easy to install with simple wiring.

【For installed in the door or window】to monitor the door/window switch state if it is opened or moved.

【It is widely used for monitoring and security system】with high reliability, small size and strong flexibility.

【Metal plating housing】kirsite material for commercial application or industrial use.

【Ideal intrusion warning】for homes, apartments, dorms, offices, garages, warehouses, etc.