Add an innovative touch to your home with this Ener-J Smart Adjustable Cylinder Doorlock. Featuring multiple ways to unlock, this doorlock includes a digital keypad, unlock via Bluetooth through the ENERJSMART app, fingerprint, and keys. Featuring remote monitoring, you can check on the app remotely to see which user used the door and when. Easy to use, this lock will fit on any door with a thickness of 35 to 70mm and an industry-standard deadbolt borehole that is 2-1/8" in diameter. Also, the lock comes with rubber spaces to help create the most secure fit. Sleek and durable, the lock comes in a stunning silver colour and has an IP55 rating, so you do not need to worry about the weather. Ideal for Airbnb hosts, HMOs, blocks of flats, offices, shops, and every home. Battery Type: AAA battery (not included).