1、Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc. Supports IP56 proof level. 2、Easy to Operate: no need any tool, you can add fingerprints or reset the padlock easily by following the instructions of the user manual. 3、20 Fingerprints: the padlock supports up to 20 fingerprints recording. 4、Morse Code for Emergency: Set morse code unlocking in advance, it helps when your fingerprint can't unlock the padlock. 5、Rechargeable Battery: built in 180mAh rechargeable li battery, about 6 months long standby time. 6、3 Color LED Indicator: different colors of indicator to represent different status. 7、Fast Response: advanced chip, good recognition, low error rate, about 0.5s to unlock. 8、Premium Material: sturdy zinc alloy body and steel shackle, with superior strength and durability. Specifications: Material: Zinc Alloy + Steel Response Time: ＜1s Fingerprint Capacity: 20 Fingerprints Emergency Unlock: Morse Code Built-in Battery: 3.7V 180mAh Li Battery Standby Time: about 6 Months Charging Type: Micro USB Proof: IP56 Working Temperature: -10℃~50℃ Item Size: 76 * 46 * 13mm / 2.99 * 1.81 * 0.51in Item Weight: 107g / 3.75oz 1 * Smart Fingerprint Padlock 1 * USB Cable 1 * User Manual (English)