Whether you want professional monitoring or just a camera to peek out into the world, here's what to know about setting up a smart security system.

NFCGest lets credit cards unlock terminals with gesture passcodes—adding security without extra hardware or PIN codes.

TCL has launched their first ever fingerprint “smart” doorknob, the K1 which promises fast biometric access with a unique design and robust security features. Priced at $79.99, the TCL K1 adds smart ...