Open your door with a smartphone or smart home system. The future is now, and it is keyless. No more searching for keys. Unlock the door with an app. Come home to an open door. It will unlock when you are back in Bluetooth range. Don't worry if you are locked out. It locks automatically. Press to open it. Let others enter your home: permanently, periodically, or just once. Keep track of the history and see who used the lock and when. Recharge only every 14 months with up to 8 uses per day.