Description Wireless window door magnetic sensor Installing place:door, window, draw, cabinet etc. This product has two parts,the sensor will be triggered when the distance of two parts is more than 1.5cm,and the wireless transmitter will s...

Brief Introduction Wireless window door magnetic sensor Installing place:door, window, draw, cabinet etc. This product has two parts,the sensor will be triggered when the distance of two parts is more than 1.5cm,and the wireless transmitter...