3D Face Recognition Door Lock Fingerprint Card App Key Unlock Smart WiFi Keyless Entry Door Lock for Home Hotel Office Bedroom for Tuya Item Type: 3D Face Recognition Door Lock Material: Aluminum Alloy Model: TD-F39ER Unlocking Method: Fingerprint, PIN Code, Dynamic Password, IC Card, Key, for Tuya App Power Supply: 1 Lithium ion Battery 2000mAh (included) Working Voltage: 7.0V-8.4V Alarm Voltage: 7.2V Standby Static Current: < 80uA (lock plate only, no module) Motor Rotation Current Range: 2.5A-4.5A (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 14443-A Compatible Doorbell Lock (Front Panel): Support One Key: Support One Key Lock (Back Panel): Support One Key Unlock (Back Panel): Support