With remote control and monitoring over your door, you'll know if someone ... lets you use the keys that came with the lock you're replacing, works with all sorts of smart home systems, and ...

Deadbolts significantly improve security over key-in-knob locks alone. Electronic locks let you lock and unlock your door without a key. Cons: They lack the convenience and extra features of smart ...

Because the exterior part of your deadbolt remains, you can still use your physical keys but also lock and unlock the door from a smartphone app. Another two picks are Bluetooth-only smart locks ...