HIGH QUALITY MATERIAL: Made of aluminum alloy, high quality and durable. External dimensions: 11.5 x 9.5 x 4.1 cm. Your key safe comes with a weatherproof sliding lid to protect the combination dial from the elements. WATERPROOF AND SAFE: The metal case is made of solid aluminum alloy, ensuring durability and preventing hammering, sawing or prying attacks. Designed with a black sliding cover to prevent dust, rain, snow and ice Large Capacity: The storage space of the key box has been upgraded, it can hold at least 5 house keys, and can also temporarily store small car keys, documents and other small items Easy to Install: The key box has pre-drilled holes on the back, as well as 4 screws and 4 expansion plugs, so it can be easily installed on walls and any solid surface without any power source. Shared Key Box: The key box with digital code is the perfect solution for sharing keys, store your keys or cards in this key box. Prevent unlocking for single people, school children, the