Feature:1. Semiconductor fingerprint recognition, artificial intelligence learning algorithm, high recognition rate, optimize the recognition of dry, wet, incomplete fingerprint and other special conditions, fingerprint false recognition rate less than 0.005.2. Support multiple unlocking methods: mobile APP, fingerprint, password, access card and key, flexible and convenient to use.3. Support virtual password, you can add garbled codes before and after the correct password, as long as the correct password is included in the middle, the lock can be unlocked.4. Electronic smart back locking, in the back locking state, only the administrator can unlock it. Support remote unlocking via gateway (not include gateways).5. It is easier to install and has a wide range of applications. Suitable for any inside, outside, leftward and rightward opening doors, and is suitable for 99% of home entrance doors/antitheft doors.Specification:Item Type: Fingerprint LockMaterial: Aluminum AlloyPassword Length: 6-10 digits (support virtual password)Safety Function: lift upward to lock up, anti-lock inside the doorEmergency Power Supply: USB interfaceSpare Keys: 2Power Supply: 4 x AAA batteries (not included)Cylinder Level: C-level safety lock cylinderNumber of Cards Supported: 100Fingerprint: Semiconductor fingerprint recognitionFingerprint Capacity: 100pcsPassword Capacity: 100 groupsHow to Use:1. Download the for Tuya APP2. Open for Tuya APP3. Connect to the same WIFI hotspot4. You can use for Tuya APP to unlock.Package List:1 x Inside Lock Plate1 x Lock Body1 x Buckle Plate1 x Buckle Box2 x IC Card2 x Key1 x Screw Pack1 x Installation Accessories Pack2 x Manual 1 x Location Card