High Safety Waterproof Biometric padlock Master Lock Digital Interior or exterior; Ideal for securing garages, fences, doors, warehouses, garden sheds, trucks etc Biometric opening: Save up to 10 fingerprints; solution without key or combination; High security: zinc body and boron alloy alloy for maximum resistance to cutting and sawing; Double ball locking of the handle to withstand the effects of levers Durable design and waterproof: the padlock is covered with thermoplastic elastomer to resist bad weather; Strong resistance to blows and falls One year life with light indicator when the battery is low; 9V rescue battery included when the main battery is discharged 13.5 x 5.7 x 2.7 cm; handle (a x b x c) 5.1 x 2.5 x 0.9 cm; CR123A battery included Prestalia E-commerce solutions.