Get the ability to operate your home's entrance without a key and from your smartphone with the Kevo Touch-to-Open Smart Lock. The Kevo Convert smart lock conversion kit is easy to install, program and use as it simply replaces your existing deadbolt with a smart lock. You can enter your home without a key and with the use of the Bluetooth connectivity on your smartphone. It uses 4 AA batteries and even has a satin nickel finish to blend in with the look of your exterior. Fumbling for your keys is now a thing of the past.