Since most homes have multiple doors with multiple locks, re-keying can get expensive. You can re-key a lock like a pro ...

Most modern key fobs have a hidden mechanical key inside. Press a small button or slide a tab to access it. This is useful if ...

who have to deal with frequent key exchanges (in fact, with some locks, Airbnb now offers to automate the code creation for guests). One especially important buying tip: If your door has a mortise ...

Decide how much you want to spend on a smart lock, but make sure you buy from a trusted brand with a proven record. Choose ...

You probably already have smart bulbs and maybe some smart plugs in your home, but you really shouldn't overlook the utility ...

and the ESP is running code that instantiates a web server that will unlock the door with a few clicks on a web page. Sure, it’s probably not the most secure lock on the planet, and the 5V ...

These models allow you to create codes for temporary access ... giving you a way to unlock your door without a key, PIN, or smartphone. Retrofit smart locks (models that essentially add smarts ...

that have to receive the correct antitheft code from a key fob transmitter before they’ll send electrical current to unlock the doors. Each door has its own power lock actuator, and the motor ...

The compact door code unit is intended for use as a stand-alone door strike control unit for a single door. Designed using the latest microprocessor technology, the unit operates with a ...

Through said app, "users can… manage up to 250 access codes" for the keypad as well as track lock history and even "receive customized push notifications." Also: Do you need a smart doggy door?