Smart Door Lock with 3D Face Recognition, Fingerprint, Card, Password, and Mechanical Key Access Why this lock Fast and convenient entry with multiple secure options: instant 3D face recognition on approach, semiconductor fingerprint scanner, card access, password entry, and mechanical key override. Built to resist tampering: aluminum alloy front panel combined with a full steel mortise and stainless steel components for durable performance. Reliable power and backup: builtin YC04B lithium ion battery 4200 mAh with DC5V charging, outdoor charging port for emergency recharges, and mechanical keys for access at any time. Key benefits Reduces lockouts and simplifies access management by supporting up to 3 administrators and storing up to 110 fingerprints. Total capacity for fingerprints passwords and cards reaches 266 sets for flexible user setups. Rapid biometric response with semiconductor fingerprint sensor that verifies in 1 second or less and supports 360 degree recognition angle for easy placement. Practical low battery handling: low voltage warning at 6.8 V plus or minus 0.2 V and an outdoor charging port that allows up to 50 entries when the internal battery is low. Simple installation and complete hardware included for direct door installation out of the box. Main features Unlock methods: 3D face recognition, fingerprint, IC card, numeric password, virtual password, and mechanical key. Fingerprint system: semiconductor sensor, up to 110 fingerprint profiles, recognition time 1 second or less. Password options: 6 to 8 digit main passwords, 16 digit virtual password to prevent prying. Administrators: up to 3 administrator accounts. Capacity: combined fingerprint password and card storage up to 266 sets. Keypad: touch standard 12 key keyboard. Materials: ABS, aluminum alloy, rubber, stainless steel for a durable finish and reliable mechanics. Lock body: full steel mortise with indoor lock that remains secured when locked from the inside. Battery and charging: includes 1 YC04B lithium ion battery 4200 mAh, DC5V charging via included cable, outdoor charging port for emergency use. Operating range: minus 25 C to plus 60 C. Low voltage alert: 6.8 V plus or minus 0.2 V. What is in the box 1 exterior lock 1 interior lock 1 lock body 5 lock body screws 2 IC cards 1 battery (YC04B 4200 mAh) 2 mechanical keys 1 lock core 1 lock core screw 1 charging cable 1 lock bottom plate 3 accessories 13 screws Use scenarios Residential front door: a standard deadbolt with biometric face recognition and fingerprint access for daily family use and secure indoor locking when privacy is required. Rental property or short term stay: Store multiple administrator and guest credentials and issue temporary passwords or cards while maintaining centralized control. Small office or studio: Manage up to 266 access credentials across staff and contractors, with fast biometric entry and mechanical backup for power interruptions. Installation and basic use Remove contents from the box and install directly on a compatible door using the included screws and mounting hardware. Battery is included; charge via the DC5V cable before first use. The outdoor charging port provides emergency power for continued access when the internal battery is low. Technical highlights Battery: YC04B lithium ion 4200 mAh included Charging voltage: DC5V Fingerprint sensor: semiconductor Fingerprint capacity: up to 110 Combined storage: up to 266 fingerprint password and card sets Administrators: up to 3 Fingerprint recognition angle: 360 degrees Fingerprint verification time: 1 second or less Password length: 6 to 8 digits; virtual password: 16 digits Operating temperature: minus 25 C to plus 60 C Low voltage warning: 6.8 V plus or minus 0.2 V This smart lock offers a practical combination of advanced biometric convenience and traditional mechanical backup, suitable for homes offices and rental properties that require flexible and dependable access control.