Extra Large Capacity - This combination lock key box for outdoors features extra-large space (internal size: 4.3 x 3 x 1.6 inches) for storing multiple keys, such as spare house keys, car keys, and door security cards. More storage space than traditional key boxes allows you to work or travel freely without worrying about losing or forgetting your keys at home. Premium Material - Made of a hard aluminum alloy, this reinforced combination lock key safe is impact-resistant, saw-proof, and stab-proof. It is made of waterproof and corrosion-resistant materials and specifically designed for outdoor use. The surface of the combination lock key box is made of environmentally friendly material that is harmless to humans and pets. High Security - More than 10,000 possible combinations make decoding impossible. You can set your favorite numbers as your passwords, and the 4-digit combination is easy to remember and reset as needed. Using the outdoor key safe, you can no longer hide your keys near the gate or under objects. It's ideal for home, emergency, vacation home, pet-sitting, and office use. Easy to install - The key box with a combination lock comes with 4 free screws and 4 expansion anchors. The manual provides some useful instructions. It's easy to install the lock box on walls or other hard surfaces. Just make sure it's tight enough. Best gift - The outdoor key safe features a simple and classic design. It won't get caught in the process thanks to its fine workmanship. Simply open the key box with the correct combination lock using the correct password within seconds, saving time searching for keys in your pocket. It will be an excellent gift for your family or friends.