App Control: Keyless entry door lock deadbolt with handle set provides you with a better control experience. You can generate temporary passwords through smartphone app for your guests, delivery staff and cleaners. The valid time of the one-time code is adjustable. Even more, you could unlock the door, view real-time unlock records and add passwords via smartphone app. | Fingerprint Unlock: Door knob front door features with 99.99% biometric fingerprint recognition rate. Your fingerprint could be recognized in just 0.3 seconds and you could unlock the door within 1 second. Digital door lock with handle reduces the waiting time. | Keyless Entry Door Lock: Fingerprint door lock provides up to 50 groups of fingerprints and 50 groups of keypad passcodes. With our door keypad locks with handle, you don?t need to worry about forgetting to bring it or losing your key. | Auto Lock & One-Touch Lock: Keypad door lock with handle provides you with a convenient one-touch switch. You could control the door lock very easily. Smart door lock with handle could lock automatically if you forget to close the door after you enter or exit. | Security Door Lock: Door locks for front door features an anti-peeking function. You could unlock the door by entering 10~6 virtual digits before or after 6~10 real passwords. Exterior door handle with keypad could protect your privacy effectively. You don?t need to worry your passwords would be peeked or leaked. | Combination Deadbolt: Front door lock includes two round shape door knobs and a fingerprint keypad door lock. You could use the door lock in both traditional and modern styles buildings. Smart door knob applies 4 AA batteries and it could work for more than 160 days. You don?t need to charge it frequently. The low battery indicator light will also remind you to replace the battery in time. | Easy Installation: Installation of this front door lock set keyless entry and deadbolt is very easy and could be completed in a few minutes. Front door handle with deadbolt is suitable for backset scale of 2-3/8 (60mm) and 2-3/4 (70mm). Pin pad door lock with handle is suitable for both left and right doors. | Satisfaction Guaranteed: LNDU provides an 18-month warranty and lifetime after-sales services for our smart door lock with handle. Should you encounter any issues, please reach out to us. Our after-sales support is available 24 hours on weekdays. | Note: Only suitable for door holes of 54mm (approximately 2.13 inches).