A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...

Take a glance at the dozens of options available in DIY home security products—from security systems and cameras to video doorbells, smart locks, and more—and you might think the market is pretty much ...

Whether you own or rent your home, a security system offers peace of mind against theft, fire and other hazards. However, monthly fees for professionally monitored security systems may be too much for ...

Today’s home security options are more advanced than ever, offering incredible flexibility to customize your setup with motion sensors, outdoor cameras and ...

Xfinity is one of the bigger players in the broadband market, and it’s been expanding into the smart home market with a security-focused add-on service called Xfinity Home. Today, Xfinity announced ...

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 ...

This compact and affordable door sensor mechanism uses a Hall-effect sensor fixed at the corner of the door frame and a standard bar magnet fixed on the door panel close to the Hall-effect sensor.

Can you? Probably. Should you? Probably not.

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 ...