Feature:1. 5 IN 1 UNLOCKING: Smart door lock provides 5 unlocking methods, fingerprint identification, password unlocking, swipe card unlocking, APP control (compatible for tuya APP, for Smart Life APP) and physical key unlocking. A variety of unlocking methods to meet your diverse needs, eliminating the worry of forgetting the key, making access more convenient.2. INTELLIGENT APP CONTROL: Keyless door knob adopts biometrics technology, supports APP control, takes only 0.2 seconds to identify 100 fingerprints and supports 100 personalized passwords to ensure security. Use apps to easily share access or add members, manage fingerprints and passwords, and easily view unlocking records anytime, anywhere.3. AUTOLOCK and PRIVACY MODE: The smart door lock is equipped with an auto lock program that automatically locks the door when it detects that the door is closed. In normal mode, the door handle automatically locks within 5 seconds of fingerprint unlocking. Privacy mode is activated by turning your thumb to the lock key, enhancing security.4. ADVANCED MODE AND ANTI PEEP FUNCTION: In Access Mode, the door remains unlocked. In Privacy Mode, both members and administrators can unlock the door via the app, but only the administrator's fingerprint will unlock the door. To protect the code from prying eyes, you can enter a random number before the correct code for added security.5. STURDY AND ELEGANT DESIGN: Made of premium aluminum alloy and crafted with exquisite craftsmanship, this fingerprint door lock combines strength and style, perfectly complementing bedroom, garage, apartment, or office doors.Specification:Item Type: Smart Door HandleMaterial: Aluminum AlloyPower Supply: 4 AAA Batteries (not included) (battery installed on the indoor handle (the handle without fingerprint))Emergency Power Supply: TYPE C Interface 5V Power SupplyUnlocking Method: Fingerprint, Password, Card, Key, App Remote UnlockKeys: 2 pcsApp Download: for Tuya Smart App, for Smart Life AppWIFI: 2.4GWIFIDoor Thickness: 35 - 55mm or 1.4 - 2.2in Fingerprint Capacity: 100 piecesPassword Capacity: 100.Package List:1 x Indoor Handle1 x Outdoor Handle1 x Lock Body1 x Lock Cylinder Rod2 x Studs2 x Screws1 x Screwdriver4 x Screws2 x Cards2 x Keys1 x Deadbolt Plate1 x Deadbolt Plate Cover1 x User ManualNote:Please allow a certain error due to manual measurement. Thanks for your understanding.