12 Digit Security Key Box Outdoor Indoor Waterproof Rustproof Key Safe Box Coded Key Box with Hook for School Office FactoryDurable and Sturdy Double-Walled Construction: Outdoor key box with sturdy aluminum alloy material for the main body and rust-proof screw, which provides extra strength to the box, allowing it to withstand hammering, sawing or prying attacks. The key storage box offers superior resistance to corrosion and weathering. Especially suitable for homes, garages, schools, gymnasium. Dustproof and Rainproof Cover: The key safe box is equipped with a black cover, which can effectively protect the combination dials from other weather damage, such as dust, rain, snow and ice, making it a longer service life. The hook is easy to remove and install, hard and durable enough. Suitable for outdoor or indoor use. Large Capacity: The large key safe can hold about 12 keys or 2-3 car keys, the internal space size of the key safe: 10 X 8 X 3 cm (3.9 X 3.2 X 1.2 IN). You can also put cash, access card, ID card or credit card ect. Easy to Install, The waterproof outdoor key safe comes with instructions in 5 languages, a screwdriver and a mounting kit (4 screws + 4 expansion plugs). Higher Security: Secure key box designed with a 12-digit combination, which can provide you with thousands of combinations to ensure the highest level of security. NOTE: The original code is empty, when you reset a new code, please take a photo to remember it, NOTICE: Please set the code to 5 digits, our box can not set the same number and the code can be opened without sequence. More Convenient and