Wireless Magnetic Contact Switch Door/Window Sensor
This new design wireless door/window magnetic contact, adopting reliable reed switch for extremely long-term service, it can monitor doors, windows, cabinet, gun cases, any boxes that opens and closes. This magnetic contact is powered by a AA 1.5V battery, that lasts about 12 months to 30 months (depends on quality of battery). It's wireless sensor consist of two parts; wireless transmitter and magnetic contact, it communicates with alarm panel through 433MHz radio frequency. The sensor itself with red LED light for alarm indication, and with orange LED light for low-voltage detection. This magnetic contact with test button, allow user to check the functionality of sensor regularly.
It has removable bracket design, allowing user to take off the sensor with ease. Supporting installation with 3M sticker or fixed with screws.