Smart Door Lock, Fingerprint Door Lock Knob with App Control, Suitable for Home Product Description 【3-in-1 Unlocking Method】GeekTale smart door handle has 3 unlocking methods in one lock, fingerprint unlock, app control, emergency backup key, perfect fingerprint door lock for keyless entry door lock. [Simple but smarter and safer] The biometric door lock supports App control, easily realizing fingerprint management, App viewing unlocking records, automatic locks, access modes, and safety locks, helping you create a smarter and more convenient life, and protect Your home is safe. [Classic Design But Stronger] The biometric door handle continues the classic door handle design, equipped with fingerprint lock function and modern app control. It is an ideal fingerprint door handle smart lock for bedrooms, offices, apartments, AirBnB, and hotels. 【Easy to Install】The fingerprint door handle door lock can be easily installed with a screwdriver in a few minutes, fits most American doors, and easily replaces existing door locks. Detailed installation steps and videos are provided. Product parameters: Product Features: Featured Functions ‎Fingerprint door handle, up to 20 fingerprints to unlock, Bluetooth unlock, one-touch unlock, app smart control, auto-lock, access mode, safe mode, silent mode, easy installation, emergency charging, hidden keyhole, Protect privacy and security Special features: ‎Keyless, fingerprint, biometric lock Product Dimensions: ‎‎6.29 x 2.99 x 2.99 inches Material‎: aluminum alloy + zinc alloy Style: ‎Fingerprint door lock Surface treatment type‎: matte Control method: ‎App/Touch Connection protocol: ‎Bluetooth Item weight ‎: 1.7 lbs Batteries: ‎Requires 4 AAA batteries (not included)