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 ...

If you have trouble hearing, you might miss the sound of a knock on the door, a barking dog, or even worse — a smoke detector. Or, you might miss someone calling your name when they’re trying to get ...