We think this lock looks really smart on both the interior and the exterior of the door. The capability to top up the lock’s power by holding a 9V battery underneath the front body of the lock ...

Two of our picks are retrofit smart locks, which replace only the part of the lock that’s on the interior side of a door. Because the exterior part of your deadbolt remains, you can still use ...

Consider replacing the lock cylinder of worn-out keyholes. Keep spare keys handy, or use alternative entry methods like ...