Features: Unlock Way: This is a smart fingerprint lock which is small and portable can be unlocked only by fingerprints and is easy to use without keys. High Quality Material: The material is strong and safe. Our fitness lock body is made of zinc alloy material with high hardness and high compressive strength. Zinc alloy metal body is seamlessly designed to prevent prying or crushing. Widely Used:The amazing design allows great compatibility. Waterproof padlocks can be used indoors and outdoors such as gym lockers luggage lockers school lockers bike sheds warehouses and other items you want to protect. Suitable For: This Lock is suitable for both indoor and temporary outdoor use in gym school office door gate fence garage warehouse cabinet shed suitcase handbag luggage bike etc. After-sales Service: If there is any problem with our products please contact us first we will provide you with the best solution in the fastest time. So why not give it a try? Specifications: Material: Metal Size: 70*23mm Weight: 90g Battery Capacity: 110mah Charging Time: 1-2h Fingerprint Entry Press Times: 5 Charging Port:MICRO USB Notes: 1. Due to the lighting effects and shooting angles there is a color difference in the product please understand. 2. Due to manual measurement there is a tolerance in the product size. includes: 1*Lock "