Seamless Design: Aluminum alloy lock body construction and high-strength stainless steel shackle protect your cabinet or home from thieves. Prevents it from being pried, broken, or cut. Easy Operation: No tools required, you can easily add or delete fingerprints by following the instructions in the user manual. 10 Groups of Fingerprints: The padlock supports up to 10 fingerprint records (supports two administrators). USB Rechargeable: Built-in 300mAh lithium battery, can support up to 2 years of standby time and can be opened up to 2,500 times. IP65 Waterproof: Can be protected from water and dust. High waterproof level allows outdoor application.