This advanced black door knob provides 5 versatile unlocking methods: fingerprint, passcode (supports 100 group codes), mobile app control, IC cards (up to 100 cards), and physical keys (2 included). Featuring upgraded fingerprint recognition with 99% accuracy and 0.2-second response6, its curved sensor accommodates various finger sizes for effortless access. Installation requires no wiring or drilling, fitting doors 30-55mm thick with universal left/right-hand compatibility. The ergonomic design prioritizes user comfort, with a curved handle shape optimized for natural grip movements10. An integrated USB emergency charging port and low-battery alarm ensure uninterrupted operation (4 AAA batteries required). For security, its internal mechanism adopts a stainless steel spring structure for enhanced durability and anti-corrosion performance.
【5 Multiple Ways To Unlock】: These black door knobs have 5 unlocking methods,Fingerprint + Passcode + APP Control+ IC Cards (2 PCS) + Physical Keys (2 PCS). The fingerprint door knob supports to add:100 fingerprints+100 group passwords+100 pcs IC cards.
【Easy Installation】No wiring or drilling required. This door lock fits doors with a thickness of 1-1/8 inches to 2-1/8 inches (30mm-55mm) and is compatible with both left- and right-hand doors. Ideal for bedrooms, front doors, and interior doors.
【USB Emergency Power Supply】: The finger print door knobs has a low battery alarm function. When the battery is out of power, you can use the spare key or USB port for emergency charging and unlocking. Normal use requires 4 AAA batteries (not included).
【TUYA APP Smart Control】: You can lock/unlock the door, share electronic codes, view log records, alarm prompts, manage users through the “TUYA” App link, unlock and manage your smart door lock more
【Accurate Fingerprint Sensor】Featuring upgraded fingerprint recognition technology with a 99% accuracy rate, this front door handle unlocks your door in just 0.2 seconds. The fingerprint reader has a curved design, making it suitable for fingers of various sizes, with high sensitivity and a comfortable touch operation. Note: Tap “#” to wake up the lock before unlocking with a password.