1、Unlocking Method: The smart door lock supports password unlocking, for TUYA bluetooth APP unlocking, IC card unlocking, or mechanical key to open the door. 2、Fast Recognition: Using advanced semiconductor fingerprint recognition technology, the door lock can read fingerprints within 0.1 seconds, convenient and fast. 3、Safe: With virtual password technology, no need to block, input with confidence, avoid passwords being peeped, and effectively protect real passwords. 4、Temporary Passwords: The smart lock supports temporary passwords, which is more convenient. The password records can be checked and deleted at any time. 5、USB Port: With a USB charging function, emergency power supply, you can use the power bank (not included) to charge batteries when the door lock is out of power. 1 x Electronic Exterior Door Lock1 x Inner Door Lock Head1 x Inner Door Lock1 x Lock Cylinder2 x Key2 x IC Card1 x Accessories Kit1 x Installation Dimension Drawing1 x Manual Item Type: Smart Door LockMaterial: Aluminum Alloy + ElectronicLock Cylinder Material: 304 Stainless SteelUnlocking Method: IC Card + Fingerprint + Password + Mechanical Key + Mobile Phone APP ControlFingerprint Collection Method: SemiconductorEmergency USB Charging Interface: SupportVirtual Password: Enter any number before or after the real password (total password length does not exceed 18 digit)After 5 incorrect unlocks, the system will automatically lock for 1 minuteNumber of Password Storage: 150 GroupsNumber of Fingerprints Stored: 100 GroupsIC Card Storage Quantity: 200 GroupsUnlock Time: ≤ 1 SecondOperating Temperature: -25℃- 60℃Applicable Door Size: Approx. 38-70mm / 1.5- 2.76in (more than 70mm is also optional)Working Voltage: 6V DC, 4pcs 1.5V AA batteries (not included), working time up to 182 days (unlock 10 times per day)