The sensors in question are from an old GM Interlogix security system. The sensors themselves sit on doors or windows. They use magnets and a reed switch to sense if the door or window is opened.

You can also build your own system and add any number of sensors, keypads, and Ring cameras, or buy one of several kits that ...

On the following screen, I tapped Add Security Devices and proceeded to add each of the listed sensors, one device at a time ...

Our Top PicksMost Versatile Motion Detection CamerasLorexKnown for their well-built, well-designed equipment, Lorex leads the ...

Create a safe place to keep your valuables, the things you really, really need to protect if someone's ransacking your van or ...

Designing the right home security system requires some planning, so don’t rush out and buy a kit as your first step. You’ll ...