TUYA Smart Door knob Fingerprint Door Lock Smart Lock Biometric Door Lock Fingerprint Door knob with App Control

Door lock model: spherical fingerprint lock Main material: aluminum alloy Keys: 2 Operating temperature: -25°C to 70°C Lock body model: single tongue Working power supply: 4 AAA dry batteries Applicable door thickness: 35-55mm Applicable category: wooden door/steel door Fingerprint capacity: 20 pieces Working voltage: 6V Emergency power supply: TYPE-C/5V2A

【3-IN-1 Unlock Ways】smart door knob has 3 unlock ways into one lock, fingerrint unlock, App control, emergency back-up keys, a perfect fingerprint door lock to get keyless entry door lock.

【Smart and Safe Technology】a button fingerprint door lock supports automatic unlocking of apps at close range, creating a smart living, semiconductor fingerprint sensor that can easily obtain fingerprint management, can accommodate up to 20 fingerprints, fast fingerprint recognition unlocking, at the same time, the app checks the unlocking records to protect your home security

【Easy installation】Simple and Understandable Installation: no wiring, no drilling required, the smart door knobs handles installs easily with a screwdriver in minutes, fits most doors, easily replaces existing door locks, there are detailed installation steps, you can set the channel or lock mode to meet the needs of various conditions

【Quality Material】the keyless round door knob is made of quality aluminum alloy material, it is a comfortable, safe and reassuring material, which is clear, smooth and easy to clean, it can be applied for -25 to 70 degrees, and the lock body is more secure

【Tips For Smart Door Locks】the smart entry door lock is only suitable for wooden and steel doors with a thickness of 35 mm to 54 mm, it requires 4 AAA batteries for installation and the power can be applied for about 9 months; There is also a low battery indicator and a USB interface for emergency power supply, but be careful not to charge the battery, please replace the battery in time if the battery is dead