220 Voltage 3 Watt Plastic Body Window Magnetic Door Sensor

This magnetic door sensor has a built-in switch that detects the opening and closing of any door or window. The size of the hole is bigger than that of another door magnet so it can be placed on the window easily. It is made of high-quality plastic, which is durable and long-lasting. A sensor is a device that detects the presence of an object, especially when this object is close to the sensor. Typically, these sensors use the change in the field produced by an object's proximity to generate an electrical signal. The weight of the sensor is about 15 grams, which is easy to carry and convenient to install. It works on 3-watt electric power with 220V AC current rating and is shielded with matching aluminum housing.