Specification BrandAnytkeMaterialAluminumLock Beam MaterialStainless SteelLock Beam Diameter 4mmFingerprint Storage CapacityTotal 20 pcsAdmin Fingerprint2 pcsWorking Humidity80 Scan Time0 01sOperating Temperature 20℃ 70℃Number of unlocks100000 timesService Life10000 million timesBattery Lithium battery60mAh 3 7VChargingMicro USB 5V 0 5ACharging Current5V 100maStandby3 monthsFull Charging ReminderRed light offSize55x27x13 4mmFeatures 1 Prevent water and dust 2 Provides a full range of recognition high rate of recognition storage of fingerprints for up to 20 users 3 Fashion design sturdy and secure 0 01s unlock 4 Multifunction use for indoor and outdoor use gym lockers suitable for suitcases golf bags handbags school lockers furniture wardrobes bicycle and other goods that you want to protect 5 Portable Padlock Unique appearance design small and lightweight 6 The case is made of zinc alloy after casting streamlining and anti dismantle design showing the unique charm of fashion and technology Package included 1 x Smart Fingprint LockHow to Collect The First Administrators Fingerprint 1 Press the fingerprint sensor 2 Left your finger when blue light flashing 3 Start collecting fingerprint Record 5 times with the finger 4 Successfully collecting fingerprint when blue light flashes Failed to collect fingerprint when red light flashes5 There is a green light flashes continuously when finish collecting How to Collecting The 2nd to 20th Fingerprints 1