Wide Application:1.Indoor padlock is best used as a school Locker lock and gym lock,suitable for suitcases, golf bags, handbags, school lockers,furniture, wardrobes, bicycle .Easy Operation:2.NO app, NO key, NO bluetooth. Friendly to kids and elderly, your finger is the key which discourages the thief to crack the code.Product Feature:Advanced fingerprint identification:3.The lock locker adopts the advanced fingerprint identification chip ,Quick unlock in 0.5 seconds.It can collect 2 administrators and up to 10 fingerprints total,easy to use.Security Lock for Locker:4. are made of aluminum alloy metal body and stainless steel shackle for superior cut resistance.:Color: silver1.Material: metal2.Working voltage: 3.0-4.2V3.Lock weight and Size:90g,7.6*4.6*1.3(cm)4.Fingerprint sensor coverage: 72*64MM5.Unlock speed: within 1 second6.working period: a year per power Charge7.LED light: three color light: red / blue / green8.Battery: 3.7V lithium build in battery9.Working temperature: -10~+40 degrees Celsius10.Fingerprint capacity: record 10 times and save 10 groupsOther instructions:Charge :Red LED always on in charging, red led off when full ;Low battery alarm: If the battery is too low, the red led is flashing after unlocking, please charge soon;Power usage:can unlock 8000 times when full battery, can max unlock 100 times after low battery alarm;Emergency unlock If the battery to low ,the can't unlock, please connect Micro-USB cable to unlock, and then charge at oncePackage Contents:1 * Smart Fingerprint LockOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.