Smart Fingerprint Door Lock with Handle – 4-in-1 Keyless Entry for Homes and Offices

Product description Do you worry about losing your keys or having too many people needing copies? Wouldn’t it be easier to control exactly who can enter your home without physical keys? This smart fingerprint door lock fixes that. It unlocks with a fingerprint in 0.5 seconds, a password, the Tuya app via Bluetooth, or a mechanical key for backup. Store up to 50 fingerprints and share temporary access with guests or family directly from your phone. More security, more convenience, and no more fumbling for keys. Key features & benefits 4 ways to unlock: Use your fingerprint, password, Tuya app, or mechanical key depending on the situation. Fast fingerprint recognition: Unlocks in 0.5 seconds with up to 50 stored fingerprints for family and trusted users. Full app control: Add or remove users, set temporary passwords, view unlock logs, and share digital keys remotely. Anti-peep password protection: Enter random digits before or after your real password to prevent anyone from guessing it. Long battery life: Up to 6 months standby on 4 x AAA batteries with low battery alerts. Emergency backup power: Type-C USB charging port means you are never locked out even if batteries run out. Built to last: Aluminum and zinc alloy construction handles daily use in homes, apartments, and offices. Bluetooth vs Remote Access The lock connects directly to your phone through Bluetooth for nearby app control. If you want to manage or unlock the door remotely when you're away, a compatible ZigBee Bluetooth gateway is required and sold separately. Compatibility & important notes Fits doors with thickness 28 to 50mm Requires 4 x AAA batteries, not included App control uses Bluetooth only, no Wi-Fi or internet required for basic use Tuya Smart Life app required for remote features Emergency access available via Type-C USB charging or included mechanical keys Professional installation recommended if unsure about door compatibility Not sure about installation? Book our installation service Specifications Model: S4 Unlock Methods: Fingerprint, Password, Tuya App (Bluetooth), Temporary Password, Mechanical Key Fingerprint Capacity: 50 sets Password Capacity: 50 sets Password Length: 6 to 8 digits Door Thickness: 28 to 50mm Battery: 4 x AAA (not included) Emergency Power: Type-C USB port Material: Aluminum + Zinc Alloy Working Temperature: -20°C to 70°C Working Humidity: 0 to 95% Package 1 x RYNX Tuya Smart Fingerprint Lock Handle Set 2 x Mechanical backup keys 1 x Screw and installation kit 1 x User manual