*MISSING PARTS* Fingerprint Door Lock Smart Voice Guidance Door Knob with Keyless Entry,Door Locks for Bedrooms,Home Hotel Office Apartment Rental House Fingerprint Door Knob,Easy to Install (Black)

Additional Details from the Manufacturer

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• 【Smart Voice Guidance】Enjoy clear, voice-confirmed security with every lock and unlock. This digital door knob gives you clear voice prompts for every action. The built-in “#” key doubles as a doorbell and is a thoughtful addition, a smart touch that enhances the experience for both you and your visitors with no extra hardware needed
• 【5 Ways to Unlock for the Whole Family】This biometric door knob offers maximum convenience.You can: Use the Tuya smart App, enroll a unique fingerprint to each member (up to 100 prints), set a password for guests (up to 100 codes), IC cards for kids & seniors, and keep 2 physical keys for emergencies. Ideal for busy families, Airbnb hosts, property managers, and office admins
• 【Security Meets Style】Not only is this thumbprint door knob crafted from high-quality, anti-scratch metal for ultimate durability, but its sleek, modern design also complements any home decor. This fingerprint lock offers a robust physical barrier for complete peace of mind
• 【Emergency Power Low Battery Alert】A clear red light flashes when the battery is low. The door lock fingerprint features a USB port for emergency power (using an external power bank), but it cannot be used to charge the lock's internal batteries. The finger print door knobs requires 4 AAA batteries (not included)
• 【10-Minute Easy Installation】Designed for most standard doors, this electric door knob fits backsets of 2-3/8" (60mm) or 2-3/4" (70mm) and door thicknesses from 1-9/16" to 2-3/16" (40-55mm). No wiring or drilling needed—DIY installation in minutes, works on both left and right-handed doors. Ideal for home or office use
• 【Dedicated Customer Care】Your purchase includes detailed installation and user instructions. If you have any questions about your smart door handle, our support team is available 24/7 via Amazon Messages
• 【Pro Tips for Best Performance】For optimal performance, please install 4 brand-new alkaline batteries.During fingerprint setup, roll your finger slightly instead of just pressing it. This captures more fingerprint data for faster and more accurate recognition.Wipe the fingerprint scanner and fingerprint door handle periodically with a soft, dry cloth to maintain sensitivity