The main body of each secure key box is made of high-strength aluminum alloy, providing anti-corrosion and anti-rust properties for excellent durability. The high-quality aluminum alloy construction helps protect the key box from hammering and sawing, helping to secure your belongings. The key box offers ample internal space in a compact, portable design, allowing you to store multiple keys and small personal items as needed. This secure key box features a removable handle, enabling convenient hanging on door handles, doors, fences, cars, or other locations, indoors or outdoors. No installation tools are required, and it can be easily removed at any time, similar to a standard padlock. The key safe uses a 4-digit combination lock with 10,000 possible combinations, offering enhanced security compared to 3-digit models. You can easily set or reset your preferred code in minutes. The outdoor key box is compact, portable, and built for long-lasting performance. Suitable for both indoor and outdoor use, it is ideal for applications such as rentals (Airbnb), garages, offices, schools, and warehouses. Size: as shown Color: gray Package includes: 1 piece