Specification:Panel size: 360mmx78mmx25mmColor: BlackMaterial: Zinc AlloyOpening method: Bluetooth/APP/Password/Fingerprint/Card/KeyCylinder grade: C grade blade cylinderApplications: Family, Apartment, School, OfficeFunctional:Wooden door/Security door/ Fire-proof door/ Stainless doorLock Body: Sawing resistant\ Pulling resistant\ Prying resistant\Anti-theftPower supply: 4 AA batteries (not include)Suitable for door thickness: 1.57-4.33 inches or 40-110mmThe number of fingerprint storage group: 200Accessories: 3 keycars + 2wristbands + 2 mechanical keysFeatures: Tuya APP powerful functions1. Remotely control the lock●No need gateway to connect wifiHow to select a smart lock for your door(1)Measure door't thickness; (2)Measure the length of guide plate;(3)Measure the width of the guide plate.If you are not sure ,please contact and tell us the details of it directly!