1、Mini smart fingerprint lock, USB charging support, low power consumption, stable performance, long service life. 2、This padlock is made of high quality zinc alloy material, which is durable, wear-resistant and can be used for a long time. 3、It's easy to operate and you can easily add or remove fingerprints according to the instructions in the manual without any other auxiliary tools. 4、Splatter proof design, can store 20 fingerprints, easy to use, suitable for home use. 5、Small in size, compact in structure, perfect for doors, cabinets, bicycles, backpacks, lockers, etc. 1 x Lock1 x USB Cable Condition: 100% NewItem Type: LockMaterial: Zinc AlloyColor: GoldBattery: 120mAh Rechargeable BatteryCharging: 5V/500mA (Micro-USB)Standby: <20uAEndurance: 180 DaysUnlocking: Fingerprint UnlockingStorage: Can Store 20 FingerprintsWaterproof: Waterproof SplatterScene: Luggage, Supplies Cabinet, Private BackpackWeight: Approx. 132g / 4.7ozSize: Approx. 5.5x 3.5x1cm / 2.2x 1.4x 0.4in Instructions:User Input: (Note: the first two fingerprints are administrator.)Long press the finger level for about 3-6s.The blue light is always on, waiting for inputBlue light indicates acquisition success, red indicates acquisition failureAfter 5 times of successful collection, the blue light flashes twice and the fingerprint collection is successful.User Delete:Long press the fingerprint of the user to be deleted for about 6-9s. .Red light is always on, waiting for deletionPress the fingerprint againRed and blue are always on for 3s, deleted successfullyAdministrator Delete / Restore Factory:Long press the administrator's fingerprint for about 6-9s.Red light is always on, waiting for deletionPress the administrator's fingerprint again and the red light will flash. Warning, factory settings will be restored)Press the administrator's fingerprint againRed and blue are always on for 3S, delete successfully / delete all fingerprints, and restore factory settings