Window alarm sensors are an essential part of home security systems, alerting you to unauthorized entries by monitoring window openings, glass breaks and motion. Each window alarm sensor type serves a ...

Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.