Stainless Steel Smart Fingerprint Lock Electronic Security Lock Locker Wardrobe Door Lock Package includes: 1 x Smart Fingerprint Lock 1 x USB Cable 1 x Manual Specification: Color: Black/Silver Fingerprint Groups: 1/10/40 Material: Stainless Steel Battery Capacity: 180 ma Charging Time: 2 h Standby Time: 1 years Size: About 7.5*4.5*1.3cm/2.95*1.77*0.51in Feature: - Waterproof and dust-proof,but can't be soaked directly in the water. - Smart Fingerprint Lock, convenient and safe. - Made of stainless steel, strong, precision, safe and durable. - Wide application: Perfectly used for doors, cabinets, bicycles, backpacks, storage cabinets, etc. - 40/10 fingerprint groups: The lock supports up to 40 recording fingerprints - It can provide good safety protection of your personal items while protecting your privacy. - The battery is too low, the red indicator flashes quickly for 10 seconds. Note: Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please understand. Please allow 0.5-1 inch difference due to manual.