Important: Ruveno door handle only can turn around 45 degrees, if your existing door handle is 60 or 75 degrees, the multipoints may not be enough to fully retract after installation. (Ruveno lock length is 280mm, if your original lock body length is longer than ours, then the bottom hole may not be completely covered, pls note!) 3585 Mortise: Ruveno slim door lock comes with 3585 motise in package by default. If you need other motize size, pls send pictures and mortise dimension for us confirm before purchasing. And it is no need to change new mortise if your original multipoint system compatible with our lock, you can send pictures for us to confirm before purchasing if you‘re not sure. Multifunctional Fingerprint Lock: 6-in-1 keyless door lock, one step unlock. Six independent unlocking methods, Wifi(Optional), Bluetooth App, Fingerprint, Password, Card, and Mechanical key. Support up to 200 fingerprints, 150 pass codes and 200 ID cards user code. APP Bluetooth Control: Smart lock front door builts in TT lock App, one step to lock and unlock smart lock. You can set and share password to family and guests. Get alerts when someone unlocks, feel free to monitor the status of door and access history, automatic lock and passage mode settings take into account your security and convenience, support IOS and Android devices. Numberic Touchscreen & Power Saving: Biometric door lock, user defined 4-9 digit codes, touch keypad will automatically light up when pressing any button. 4PCS AAA batteries support unlock 5000-6000 times(Not included). The emergency USB charging port and emergency key unlock methods provide double guarantee. Tips: USB port cannot be used to power the lock or charge inner batteries. Money Back Guarantee: Ruveno smart door lock was provided excellent customer service, 30 days return service and 360 days warranty and Free Life-time Technical Support. Any problem about the electronic lock, pls feel free to contact us. Your 100% satisfaction is our eternal motivation.