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 ...

From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as ...

The ADT Plus security system can work with Google Nest’s facial recognition and this Yale smart lock to make it easier to let someone in when you need help. The ADT Plus security system can work with ...

This holiday season, consider giving the gift of home security to your loved ones. There's an abundance of products on the market that provide an extra layer of security for any property, whether it ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. We originally tested and reviewed the Ring Alarm Security ...

The best DIY home security systems are affordable and easy to set up without a professional. NerdWallet is committed to editorial integrityMany or all of the products on this page are from partners ...

Ring's $199 Z-Wave-enabled Alarm Security Kit is so simple you might overlook it at first. The system includes a base station, a keypad, a door/window sensor, a motion sensor and a Z-Wave range ...

Economical circuit of an electronic alarm, notifies you when your door or window is open, is presented here. This circuit wired around the Quad 2-input NAND Schmitt trigger IC 4093 (IC1) can be ...