Why Should You Choose 4 in 1 fingerprint door lock set?
1. Convenient to Use - Compared to traditional door locks, this door lock handle designed with a biometric fingerprint and touch keypad provides you with keyless entry for more convenience in daily use.
2. Upgraded Reversible Door Handle - No need to set screw like other door locks on the market. Suitable for many single-cylinder doors in both left and right handed directions.
3. Free Passage Mode - Users can disable the self-locking function, then you can open the door without fingerprint, passcode or key.

Specification
4 Unlock ways in [Auto Lock Mode]: Bluetooth APP/Fingerprint/ Passcode/ Mechanical key
Direction of door opening: Left/ Right (universal)
Door thickness range: 1-3/8'' to 2-1/8''(35-50mm)
Power supply: 4* AAA batteries(not included)/ external USB power supply(just for emergency)
Users: max. 100 fingerprint users; max. 100 passcode users

What’s in the Box
1* Front handle
1* Back handle
1* Latch
1* Strike plate
2* Mechanical keys
1* Square cotter
1* Screwdriver
2* 40mm Spiral tubes
2* 30mm Spiral tubes
2* Flat screws
4* Tapping screws
1* User manual
4 Ways To Unlock: 4-in-1 smart door lock: Bluetooth APP + Fingerprint + Passcode + Mechanical Key. Open your door quickly and auto lock after 5 seconds, never worry about forgetting to lock your door. Tips：Any password or fingerprint can be unlocked before adding a phone admin, so don't forget to set a admin
Smart APP Unlock & Control: You can unlock the smart handle lock via the Tuya APP, or set a temporary password and share it with your familys, friends, visitors or housekeepers. Also can view real-time unlocking records on the app. This fingerprint door lock is very suitable for families, hotels, schools and apartments
Reversible Door Handle Lock Set: Suitable for both left and right hand doors which the thickness is from 1-3/8'' to 2-1/8''(35-50mm). Easy to install in minutes with just a screwdriver. no need with professional skills or locksmith
Convenient to Use: Enlarged area fingerprint sensor 160*160 makes it easier to read your fingerprints. Keypad door lock allows you to set max 100 fingerprints and 100 passcodes. And the anti-peeping passcode improves the security
High Quality: Made of heavy duty zinc alloy and powered by 4 AAA batteries(not included，recommend using LR03 AAA battery ). Moreover, be equipped with a micro-USB port, It's not rechargeable and just for emergency unlock when battery runs out of power and no key
Safety and Reliability: Fingerprint door lever lock protect your privacy security for home, bedroom, bathroom, patio, apartment, office, hotel, barn, etc. Warn: Not suitable for exterior doors, as getting wet by rain can affect unlocking, only suitable for the interior doors
Customer Service: If you have any questions about our smart fingerprint door lock, please contact us in a timely manner, and we will reply to you within 24 hours and provide you with the great solution