Features 1App Control: Enjoy WiFi enabled control, the keyless lock remotely locks or unlocks the door, share guest access rights, and view activity history for Tuya App, turning your smartphone into a smart key. 2Multiple Unlocking Methods: There are multiple unlocking methods available. The door handle lock can be accessed via fingerprint recognition, PIN code entry, dynamic password, card, traditional key, and through for Tuya App, providing unparalleled convenience. 3Accurate and Sensitive: Equipped with a semiconductor fingerprint sensor, this fingerprint lock offers accurate and reliable identity verification, hence ensuring heightened safety levels. No need to worry about unauthorized access. 4Enhanced Safety: With built in double lock system, the smart keypad lock incorporates 8 digit password length and 16 bit anti peeping password feature for enhanced security. Increase security in your home with a reliable locking system. 5Emergency Access: The keyless entry lock offers emergency power port and mechanical key as backup power sources, ensuring uninterrupted access even if the battery runs out. Specification Item Type: Fingerprint Keypad Door Handle LockMaterial: Aluminum AlloyUnlocking Method: Fingerprint, PIN Code, Dynamic Password, Card, Key, for Tuya AppFingerprint Sensor: Semiconductor Fingerprint SensorAdministrator Capacity: 10 SetsFingerprint Capacity: 50 SetsFingerprint, Password, Card Capacity: 250 SetsRejection Rate: 0.1%False Acceptance Rate: 0.0001%Comparison Time: 0.5 SecondsPower Supply Voltage: 6VStandby Current: 50uADynamic Current: 180mALow Voltage Alarm: 4.80.2VEmergency Power Supply: Type C 5V 2AOperating Temperature: 25~60Operating Relative Humidity: 20%~90%RHKeyboard: Standard 12 Key Touch KeyboardPassword Length: 8 DigitsAnti Peeping Password Length: 16 DigitsDouble Lock: SupportedLock Core Standard: Class C I B+ Lock CorePower Supply: 4Pcs AA Batteries (Not Included)Connect for Tuya App: WiFiPackage List 1 x External Lock (with Fingerprint and Password Keypad)1 x Internal Lock2 x Keys1 x Lock Core1 x Spring2 x Cards1 x Lock Core Plate Mouth1 x Lock Core Plate Mouth Cover1 x Accessory Pack1 x Screw Pack1 x User Manual