The YL-333 Magnetic Antitheft Alarm is an easy to install security alarm system for doors and windows. This battery-operated device works on the principle of magnetic proximity detection. It can ...

Q: I wanted to add window sensors to my home for extra peace of mind, and I thought it would be a simple task of searching for “window sensors for security” or “alarms for windows in house.” But it ...

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-enabled ...