Who can remember 4 digit codes anymore! In the world of a smart phone constantly in your pocket, there’s really no need to ever remember anything again. All you should really need to accomplish any sort of task is a set of thumbs to either type or to provide your fingertips. This new padlock called FipiLock Smart Fingerprint Padlock is a smart lock that lets you unlock it with just your fingertip. No worry about forgetting password or losing key. This small and smart fingerprint padlock is also waterproof and has long standby per charging.