【3-in-1 Unlock Methods for Ultimate Convenience】Ghome Smart Door Knob offers three unlocking options: fingerprint, physical key, and App control. The fingerprint recognition unlocks in just several seconds, providing fast and secure keyless entry. Suitable for bedrooms, living rooms, offices, and apartments, this biometric door lock meets all your security needs. 【Smart App Integration & Mode Switching】Manage fingerprints, view unlock logs, and set auto-lock, passage, and privacy modes via the App. The electrical door lock supports passage, normal, and privacy modes, which can be easily switched by rotating the fingerprint area. Note: App control requires Bluetooth. 【Advanced Security & Privacy Protection】Unlock your fingerprint door knob in just 1.5 seconds, with ultra-fast 0.2-second recognition and 99.9% accuracy. The self-learning AI of our biometric door lock adapts to your usage, boosting recognition speed and reliability over time. All fingerprint data is stored 100% locally — with no cloud storage — for enhanced home security and privacy protection. 【Long-Lasting Battery & Easy Installation】The door knob with lock features a 400mAh rechargeable battery that fully charges in 3-6 hours and lasts up to 6 months. ( The fingerprint door knob has a low battery indication in App.) Easy to install with a screwdriver and fits most US doors. Please check the dimensions before purchasing. 【Versatile Use & Fast Support】Ghome Smart fingerprint locks stand out in modern home security and ideal for homeowners, hotel owners, and Airbnb hosts. We will offer comprehensive after-sales support and technical assistance to promptly address any issues, enhancing the usability of these smart locks., Weight: 1.62921611618 pounds, Manufacturer: GHome Smart