Ionization smoke alarms use a battery and two metal plates, called electrodes, to create an electrical circuit. Ions are tiny ...

If battery life is the most important feature in a security cam to you, these are the leading contenders for incredible results.

Review: Apple's "AirTag 2" gets better at its job. The familiar white and chrome disc is a little louder, higher-pitched and ...

Know your privacy options, how to limit video sharing, and which security cameras have local storage and E2E encryption.