["brand new and high quality\nFeatures:\nfor Smart fingerprint lock, only need fingerprint to unlock, no for key needed, easy to use.\nFingerprint sensor recognition, for smart chip, fast unlocking in 0.5 seconds, convenient and fast.\nUSB rechargeable, after fully charged, it can be used continuously for a long for time.\nPortable and lightweight, easy to carry around anywhere you go, and can be put into the bag any for time and any where.\nWidely used, great for housing rooms, doors, factory workshops, offices, bicycles, electric motorbikes, file cabinet, backpacks, suitcases, drawer, student dormitories, staff lounges, etc.\n\nSpecifications:\nProduct name: for Smart Fingerprint Padlock\nMaterials: Zinc Alloy + Stainless Steel\nLock beam diameter: 5mm\nFingerprint capacity: up to 10 pieces\nLED light tri-color light: red/blue/green\nBattery: 3.7V lithium battery\nWorking voltage: 3.0-4.2V\nInterface: Micro USB\nLow battery alarm: the red light flashes for 6 seconds after unlocking, the lock can be unlocked up to 200 times after the alarm\nCharging time: about 2 hours\nOptional Colors: black, silver\nSize: app.75x45mm/2.95x1.77in\nQuantity: 1set\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Fingerprint Padlock\n1 x USB Charging Cable\n1 x Instructions (other accessories demo in the picture is not included.)"]