Fangrui Product Details Description: Product Specifications: Product Name: Tuya Wifi Smart Door Lock Room Lock Fingerprint Recognition: Semiconductor Fingerprint Head Color: Black, Brown Product Material: Aluminum Lock Cylinder Grade: C Grade Safety Function: Lift Up And Lock Indoors Applicable Door Type: Wooden Door, Security Door Charging: Usb Charging Password Length: 6-10 Digits (support Virtual Password) Power Supply: 4 Aaa Batteries Information Capacity: Fingerprint/password/proximity Card (3 Administrators, 297 Ordinary Users) Unlocking Method: Fingerprint, Password, Credit Card, Temporary Password, Key, App Control Suitable For Door Thickness: 38-50mm Specifications: [1] One-stop Management Of Tuya App, Remote Viewing Of Various Reminders. [2] Intelligent Linkage Door Lock Alarm, When The Intelligent Lock Is Abnormal, It Will Send An Alarm In Real Time Through The App To Protect The Home Safety Day And Night. [3] 5 Unlocking Methods: Mobile Phone App Unlocking, Password Unlocking, Ic Card Unlocking, Key Unlocking. [4] Using Multi-dimensional Fingerprint Recognition Technology, Combined With Fingerprints, Skin And Conductivity, Etc., Multi-dimensional Information Realizes Multi-dimensional Fingerprint Recognition, Opening The Door Faster And Higher Security. [5] Even At Work, You Can Send A Temporary Password For Visiting Friends, Housekeeping Services, Etc., And You Can Set The Effective Period And Number Of Times Of The Temporary Password According To Your Needs. Package Included: 1 X Smart Door Lock, 1 X Accessory Bag, 1 X User Manual