Most smart locks are either a deadbolt replacement or a deadbolt adapter (which replaces the thumb turn with a motorized one). There are also smart doorknob or lever-handle replacement locks ...

Resistance to kick-in as sold is how well the lock survived increasingly forceful impacts using the hardware it comes with. The Hugolog Electronic Deadbolt Lock is part of the Door Locks test ...

Conventional locks can break easily and are relatively easy to tamper with. Deadbolts prevent a door from being forced open. The lock consists of one or more cylinders which are connected to a latch.

For example, switching out your front door’s regular lock and installing an electronic deadbolt is an easy upgrade—and a relatively affordable one. There are basic, under-$100 models that let ...