Main FeatureGrade C Real Mortise Lock With Intelligent Lock CylinderIntegrated 3D Fingerprint Identification6 Unlocking Modes: Fingerprint, NFC, Bluetooth, Password, Temporary Password, Emergency Key16 Security Technology, Anti-Hamper FunctionReal-time Remote Alarm Via SmartphoneSmart APP Control With MIJIA APP*Long Battery Lifetime Up To 18 Months Zinc Alloy Material, Elegant Matt Suface Design(A Hub is required to enable with Bluetooth function and HomeKit function)SpecificationsProduct Size: 365.5 x 75.6 x 24.5mmProduct Weight: 5.1kg (Standard) / 6.6kg (Overlord)Power Supply: 8 x AA Batteries (6V) / Micro USB Emergency Power Supply (5V)User Capacity: Support 50 Fingerprints, 50 Passwords, 25 NFC DevicesLanguage: Chinese / EnglishConnectivity: Bluetooth 5.0Applicable Door Thickness: 40~80mm (Standard) / 80~120mm (Overlord)What’s In The Box1x Front Panel, 1x Rear Panel, 1x Lock, 1x Intelligent Lock Cylinder, 2x Emergency Key, 8x AA Battery, 1x Installation Paper, 1x Chinese User Manual, 1x Set of Fitting AccessoriesBefore buying this product, please take note that:- This product is in association partnership with YOUPIN. The product packaging may or may not consist of the logo of YOUPIN.- Product’s default operating menu is in the Chinese Language, we do not have any further information neither there’s another language support nor will there be one in a future update.- Connecting this product to MIJIA APP would be required changing the APP region to CHINA in the APP setting.- A Hub is required to enable this product to work with HomeKit technology.- Product color may slightly vary due to photographic lighting sources or your monitor settings.- Due to manual measurement, dimensions will be varied by about 5%.- For more about product inquires and warranty, please approach our customer services.