Window sensors, much like door sensors, work using a reed switch and a magnet. The reed switch attaches to your window frame, and the magnet attaches to the window itself. When a window with an active sensor is opened, the magnet pulls away from the reed switch and the alarm.
We use cookies to enhance your website experience. By continuing to use our site you agree to the use of cookies in accordance with our policy. Click for more information to find out what cookies we use, what they do and how you can disable them.