Smart Biometric Fingerprint Padlock Waterproof USB Charge Keyless Security Locker for Gym Luggage School Locker Bike Shed Storage Garage by Surcult

Package: fingerprint padlock*1, USB charge*1, manual*1   Operating instruction: 1.press you fingerprint on the reader, long press the reader for 5 seconds until blue light blinks then release. 2.While blue light blinking, press the fingerprint reader 5 times and make sure every time blue light is on. 3.Try to unlock your own smart lock.   Specification: Working time?Up to 6 months?unlock 4 times a day? Fingerprint storage capacity?Up to 40 USB type?5v input water-proof micro USB Size: 2.47*1.37*0.67inch / 62.8*35*17mm Weight: 2.08oz / 59g Operating?temperature: -20C°~60C° Battery: 110mAh soft lithium battery Working voltage:DC 3.7v   Tips? 1.keep your fingerprint dry would be better for unlocking. 2.Please charge when your first try. 3.Make sure your fingerprint is recorded as administrator when you first use, if not it would be unlocked by anyone else.