Fingerprint Lock: Say farewell to cumbersome numbers, your finger is the key! Don't have to worry about losing the key or password ever again. 1 second unlock, 360 degree fingerprint recognition. Sturdy Structure: Fingerprint Lock weights about as much as your lipstick yet stands up to 66 pounds of pressure. Waterproof and dustproof of level IP54. The fingerprint lock is made of zinc alloy metal to prevent prying, crushing or cutting. Low Power Consumption: Lock and unlock at least 1200 times per charge. Capable of at least 160 lock and unlock usage at low battery level.