Usually listed at $100, today you can get this fingerprint door lock for just over $55. With the built-in fingerprint technology, just put your finger on the lock and it’ll unlock in just one second.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Never get locked out again with a smart lock you can control from your phone, with your face, or with a fingerprint. Never get locked out again with a smart lock you can control from your phone, with ...

We may receive a commission on purchases made from links. Smart locks are becoming increasingly popular. These devices provide convenience and enhance the overall safety of a property. The locks have ...