Window Door Sensor for Home Alarm Security Smart Gap Sensor to Detect Open Door effectively stop the thief with 108dB loud alarm
https://www.vogueparade.com/shopping/EN/200004311/1/1005003445042841/window-door-sensor-for-home-alarm-security-smart-gap-sensor-to-detect-open-door-effectively-stop-the-thief-with-108db-loud-alarm//