All contact sensors are powered by replaceable batteries that provide around six months (or more) of power with regular use.

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

The Defiant Smart Home Alarm Kit includes five components, all powered by Home Depot’s Bluetooth-and-Wi-Fi-based Hubspace ...

A home security system, on the other hand, focuses on door/window sensors, independent motion sensors, glass-break sensors and similar devices you arm/disarm based on who's at home. They often ...

Now, thanks to the work of [Jonathan Armstrong] we have such a firmware for the 433 MHz magnetic door and window sensors that you can pick up on AliExpress for $4 USD a piece. The new firmware not ...

Find some last-minute stocking stuffers with Aqara's excellent discounts on presence, door, window, temperature, and leak ...