Specification Item Name Smart Electronic Door LockColor BlackFingerprint Type SemiconductorRecognition Speed 0 25sFingerprint Capacity 50 PiecesUnlocking Method Fingerprint Password KeyMain Material Zinc AlloyWorking Temperature 20°C 60CLock Cylinder Grade C grade Lock CylinderApplicable Door Thickness 30 55MMPower Supply 4 1 5v AAA BatteriesApplicable Door Types Wooden doors fire doors blister doors anti theft doors etc Feature 1 One touch fingerprint unlocking with advanced semiconductor technology for rapid 0 25 second response 2 Anti peep password entry system ensures secure unlocking by mixing random digits around the correct code 3 USB emergency charging port supports power continuity in low battery scenarios 4 Adjustable compatibility design fits door thickness ranging from 30 55mm 5 Simple installation with wireless setup perfect for home office or apartment doors Package Included 1 x Fingerprint Door Lock1 x Key1 x User Manual