Features 1、MULTIPLE UNLOCKING METHODS: This door lock provides various secure unlocking methods, including facial recognition, fingerprint, password, IC card, for Tuya App, and traditional keys, offering multiple options for your convenience while maintaining high security. 2、HD CAMERA: Equipped with a high definition camera, the door lock enhances security with its outstanding facial recognition feature, giving users peace of mind and superior guard. 3、HIGH CAPACITY STORAGE: The door lock offers ample storage space as it allows up to 300 groups of face, card, fingerprint, and password data, which provides flexibility while creating user profiles. 4、MULTI FUNCTIONAL: Features a 4.0inch IPS screen for user friendly interaction and visual feedback. Seamlessly integrated with the for Tuya App, this lock enables remote control and unlocking, offering the convenience of managing access remotely. 5、ACCURATE FINGERPRINT SENSOR: Featuring a semiconductor fingerprint sensor, the door lock ensures fast and accurate fingerprint detection in less than 1 second, providing you with fast and reliable access to your home. Specification Item Type: 3D Face Recognition Door Lock Material: Aluminum Alloy Model: TDF39ER Unlocking Method: Fingerprint, PIN Code, Dynamic Password, IC Card, Key, for Tuya App Power Supply: 1 Lithium ion Battery 2000mAh (included) Working Voltage: 7.0V8.4V Alarm Voltage: 7.2V Standby Static Current: 80uA (lock plate only, no module) Motor Rotation Current Range: 2.5A4.5A (Battery current should support 5A) Emergency Interface: USB Port (requires battery charging) Management User Quantity: 5 (Fingerprint Card Password) Regular User Quantity: 295 (Fingerprint Card Password Face) Motor Direction: Switch Support Motor Rotation Angle (Time): Support Modification Unlock Retention Time: Support Modification Card Type: IS0/IEC 14443A Compatible Doorbell Lock (Front Panel): Support One Key: Support One Key Lock (Back Panel): Support One Key Unlock (Back Panel): Support Package List 1 x External Lock (with fingerprint and password keypad)1 x Internal Lock2 x Keys1 x Lock Body1 x Spring1 x Key Lock Core2 x IC Cards1 x Battery1 x Screw1 x Accessory Pack1 x Screw Pack1 x User Manual