Volibel Fingerprint Door Lock . Biometric Door Lock with Handle . Smart Door Knob with4 unlock ways into one lock . 50 fingerprint unlock . App control . emergency back-up keys. A perfect fingerprint door lock to get keyless entry door lock. The biometric door lock support Tuya App control . easily get fingerprint manage . app check unlocks records . auto lock . passage mode . secure lock . help you create a smarter and much convenient life . guard your family safety. The biometric doorknob extended the classical doorknob design . equipped with fingerprint lock function and modern App control . a very ideal fingerprint doorknob smart lock for bedroom door .office .apartments .Airbnb .hotels.Specifications:Lock Type: Smart lock . Biometric fingerprint door lock . biometric keyless entry door locks with keypads . Keyless doors nobMaterial: Zinc AlloyIncluded Components: Lock and KeyUnlocking method: fingerprint unlocking .passowed unlocking . Tuya APP . Key unlockingUser Capacity:50 FingerprintsBatteries:4 AAA Alkaline Batteries Required (Not Included);Style: Fingerprint Door Lock . Biometric Door Lock . Smart Door Knob with Fingerprint . Thumbprint Door Handle;Usage: Bedroom . Home . Office . Closet . Pantry . Apartment.Package Includes:Lock Body*1 key*2screw*2 . Installation manual*1