Smart Door Knob with Fingerprint Lock for Bedroom and More

About this item

• **3 Unlock Methods:** This innovative smart door handle features three ways to unlock: via fingerprint, an app, or an emergency spare key, making it an ideal solution for keyless entry.
• **Rechargeable & Backup Access:** Equipped with a 400mAh rechargeable lithium battery, this fingerprint door lock allows emergency unlocking and charging through a Type-C port when the battery is low, with a full charge taking about three hours.
• **Biometric Security Design:** The classic design of this smart knob lock ensures that fingerprints are stored locally rather than in the cloud, enhancing privacy and safeguarding your family's security. It's perfect for various settings, including bedrooms, offices, apartments, hotels, garages, and gates, with dimensions of 73mm (length) and 75mm (base diameter).
• **Smart Features:** This door knob lock allows app control for easy fingerprint management, operational history checks, and mute settings. Users can conveniently switch between passage and privacy modes or enable auto-lock by simply rotating the thumb on the rear handle.
• **Simple Installation & Support:** Installation is straightforward and can be completed in minutes with a screwdriver, accommodating most US door thicknesses between 35mm and 55mm. The package includes detailed instructions and a 12-month warranty; for assistance, reach out via phone or email.
• **Battery Information:** Full charging takes approximately three hours. Battery life may vary based on usage frequency, and it is not replaceable. A fully charged battery allows for around 1,000 door unlocks and can be recharged over 300 times.