Features: 5 ways to unlock: fingerprint, anti-peep virtual password, phone App via Bluetooth, IC card, and key. Works with Tuya App, you can manage the fingerprints, unlock the door, check the door opening records etc. It has stay open mode, which allows you to directly open the door without verification. Powered by batteries (not included) and it also has a charging port for emergency use in the event of a power failure. Suitable for home, office, hotel etc. Directly cover door knob hole within 65mm, easy to install with a screwdriver. Specification: Item name: Fingerprint door lock App name: Tuya Fingerprint capacity: 50 Recognition speed: 0.5s False acceptance rate: ≤0.001% Power supply mode: Rechargeable lithium battery Cycle charge times: more than 5000 times Material: Zinc alloy Packing List: 2x Lock handle 1x Lock cylinder 2x Keys 2x IC cards 1x Screw pack 1x User manual 【5 WAYS to UNLOCK】: Advanced 5-in-1 Biometric Door Lock. APP Unlock, Fingerprint Unlock, Card Unlock, Code Unlock and Backup Key (Please put at least 1 key in the available place in case of emergency such as the battery runs out). 【LARGE AREA FINGERPRINT SENSOR】: Fingerprint door lock has upgraded the resolution of the large area fingerprint sensor. 160*160, the area is increased by 35% compared with the ordinary fingerprint sensor 120*120. 【AUTO-LOCKING】: Smart lock is equipped with an automatic-locking function. The interval time of automatic locking can be set through the APP. After unlocking, it will be automatically locked within the set time. 【TEMPORARY PASSWORD】: Smart door lock can add up to 50 sets of passwords and 100 fingerprints, it also can generate a temporary password through the app, and the temporary password is valid within the set time range. 【WRONG PASSWORD/FINGERPRINT ALARM】: When the illegal intruder uses the wrong password or fingerprint to unlock the smart lock for many times, the smart APP will push the alarm information to remind.