Smart Fitnate - Biometric Door Lock Fingerprint Door Knob with App Control - Black HS0398K

Experience next-level convenience and security with our modern smart door handle—featuring three seamless unlocking methods (ultra-fast fingerprint recognition, intuitive app control via Tuya Bluetooth, and a reliable emergency spare key) so you’re never locked out, all wrapped in a unique curved handle design that ensures a secure grip even in rainy or snowy weather unlike slippery ball locks; powered by advanced one-touch biometric technology, it locks and unlocks with a single tap for effortless daily use, while the companion app lets you manage fingerprints, create guest codes, review unlock logs, enable auto-lock, set passage modes, and share access to keep your home smart and secure; installation is quick and tool-friendly—just use a screwdriver to mount it on most standard doors (32–48 mm / 1.25–1.89 inches thick), including wooden, fire, and security doors, with a detailed guide and cutting template provided for precision setup; running on 4 AAA batteries (not included) with a low-voltage alert and mechanical key backup, this smart lock combines style, intelligence, and reliability to guard your family’s safety every day.