Feature: 1. Fast and Efficient: The fingerprint keypad lock features quick recognition with low error rate, able to store up to 50 sets of fingerprints, providing temporary unlock for users with dynamic passwords via mobile phone. 2. Battery Powered: The smart door handle knob is operated with 4 AAA batteries, featuring low power consumption and offers an emergency power option. 3. User Friendly Design: The keyless entry door knob supports for Voice Assistant, touch keyboard, for Tuya App connection, low voltage alarm and quick unlocking for enhanced user convenience. 4. Multiple Unlocking Methods: The door handle lock knob supports various unlocking modes including fingerprint, virtual fixed password, physical key, for Tuya App unlocking, and dynamic passwords offering additional safety measures to your room. 5. Versatile Use: The smart keyless door entry lock is ideal for enhancing security of your rooms, suitable for offices, apartments, bedrooms, home and other rooms. Specification: Item Type: Fingerprint Keypad Door Handle Lock Material: Zinc Alloy Unlocking Method: Fingerprint Unlocking, PIN Code Unlocking, APP Unlocking, Key Unlocking, Dynamic Password APP: For Tuya APP Dynamic Password: Temporary Password (Obtained on the Phone) Lock Body Type: 60 Single Lock Tongue Power Supply Battery: 4Pcs AAA Batteries (Not Included) Temporary Power Interface Type: Type C Charging Power: Not More Than 5V Fingerprints Capacity: 50 Sets Low Voltage Alarm Voltage: 4.8V Unlocking Time: 1.5 Seconds Operating Temperature Range: -20°C to +70°C. Package List: 1 x Exterior Lock (With Fingerprint and Keypad)1 x Interior Lock2 x Keys1 x Lock Core1 x Lock Core Rod1 x Lock Core Plate1 x Lock Core Plate Cover8 x Screws1 x Screwdriver1 x Reset Pin1 x User Manual Note: The power supply battery is installed on the inner lock handle, use a screwdriver to loosen the bottom screw.