Designed for indoor use only. iFingerLock® fingerprint Padlock is user friendly anti-theft security equipment, which can accommodate up to 10 fingerprints to be directly managed on the lock. iFingerLock® fingerprint Padlock gives you the freedom not to worry about lost, stolen or forgotten keys anymore. Just using fingerprint verification to effortless identify that the rightful, authorized you claim to be! It eliminates both keys and combination codes in conventional locks. Each lock is supplied with its unique and matching USB key for managing stored fingerprints (no computer needed) for another extra layer of security. It is great for 1) school locker, gym locker, gun cabinet; 2) apartment and condo; 3) guests, renters, landlords and realtors; 4) medical offices, law offices and liquor stores; 5) warehouse, factory and logistics; 6) an excellent way to comply with HIPAA requirement and secure your file cabinet.