Description: You can unlock smart padlock with your finger only for a split second. Don’t worrying about losing key or forgetting password. Fingerprint padlock can register up to 10 sets of fingerprints. You can also authorize and share lock with your family/friend to use it. Smart padlocks have lower power consumption and longer standby time. The USB rechargeable 110MAH lithium battery can support up to 6-month of standby time or 2-month (2000 times of unlock) in one charge. Gym lock Compact size to be carried anywhere you go. Suitable for both indoor and temporary outdoor use in gym, school, office, door, gate, fence, garage, warehouse, cabinet, shed, suitcase, handbag, luggage, bike, etc. Not intended for outdoor use in rain or snow. Made of strong zinc alloy material, solid and durable for use with high precision. Specification: Material: Zinc Alloy Battery Type: Rechargeable Lithium Battery Battery Capacity: 110mAh Input: DC5V / 200mA Working Voltage: 3-4.2V Waterproof Level: IPX65 Charging Time: 1-2H Standby Time: 6 months (max) Number of Fingerprint Stored: 10 Item Size: 2.3 x 2.3x 7cm / 0.91 x 0.91 x 2.76in Item Weight: 63g / 2.22oz Package Size: 15 x 8.1 x 2.7cm / 5.91 x 3.19 x 1.06in Package Weight: 90g / 3.17oz Package Includes: 1 x Fingerprint Lock 1 x USB Charging Cable 1 x User Manual