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 ...

$199.99Base kit includes alarm base station, keypad, door/window contact sensor, motion detector and alarm range extender. Professional monitoring monthly cost $19.99Self monitoring with smart ...

There’s a new Ring glass alarm sensor available to pre-order. The device is simple to install and works with your existing Ring security system. It costs $39.99 for one or $69.99 for two. It ships on ...

The Ring Glass Break Sensor delivers an effective layer of protection that other types of sensors can’t, and it’s not easily fooled by other sounds. Ring Alarm and Ring Alarm Pro users now have a new ...

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