Smart Door Lock Product Description Smart Door Lock - Secure Your Home with Advanced Technology Features: Advanced Technology: Enhance your security with our smart door lock featuring fingerprint recognition and password entry. Experience high-tech convenience and safety for your home or office. Versatile Compatibility: Designed for wooden doors in homes, offices, and bedrooms. It fits door thicknesses from 35-50mm, with a cover diameter of 70mm and a handle size of 150mm x 28mm. Note: Specific screw accessories may be required for thicker doors. Flexible Access Options: Unlock your door using either fingerprint recognition or traditional mechanical keys. Store up to 30 sets of fingerprint data for easy user management. Emergency USB Charging: Equipped with a Type-C USB port for emergency charging. Ensure home access even during power failures. Reliable and Convenient: Suitable for various environments with an adjustable lock body and a working temperature range from -20°C to 60°C. Ideal for both residential and commercial use. Specifications: Unlocking Methods: Fingerprint and mechanical key unlocking Number of Fingerprint Groups: 30 groups Standard Lock Body: 60-70 adjustable lock body Emergency Unlocking: Type-C USB charging port Power Supply: 4 AAA alkaline batteries required Sound: Buzzer alert Working Temperature: -20°C to 60°C Unlocking Times: 20,000 times Handle Size: 150mm x 28mm (5.9 x 1.1 inches) Lid Diameter: 70mm (2.8 inches) Suitable Door Thickness: 35-50mm. Note: For door thickness exceeding this range, specific adaptations may be required. Note: Due to monitor and lighting variations, the actual color may differ slightly from images displayed. Please allow a measuring deviation of 1-2cm due to manual measurement. Package List: Front Handle with Front Cover Rear Handle with Back Cover 60-70 Adjustable Pin 2 Keys Screw Pack (2 screws, 2 studs, 1 hollow square tube, 1 spring plug, 1 locking pin) Buckle Plate Buckle Box Accessory Pack (1 Buckle Plate, 1 Buckle Box, 4 Wooden Screws) Instruction Manual