Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

Install a reliable security system in just one day. DIY home security systems will help to protect your home and your family.

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 ...

Home security systems have layers of devices that work together to keep your home safe and protected. Door and window sensors are the backbones of a good home security system since most burglars try ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Arlo is mostly known for its popular security cameras, but ...