1、Robust and Weather Resistant Build: The key lock box is crafted from high strength aluminum alloy and solid iron alloy to resist crushing, sawing, and prying. It includes a removable rubber cover to shield against dust, erosion, sunlight, rain, and snow. 2、Secure Numerical Combination Security: Featuring a 4 digit code with 10,000 possible combinations, this lock box offers optimal security. Reset and set your custom code upon receipt for enhanced protecting. Remember the code, as forgetting it will prevent access. 3、Spacious Storage Capacity: This wall mounted lock box offers generous storage space, ideal for multiple keys, large keys, car keys, and access cards, ensuring you can safely store all your essentials in one convenient location. 4、Convenient and Secure Access: Avoid getting locked out by providing keys to agents, contractors, family, and tenants. This code protected keeper eliminates the risk of lost or stolen keys and saves you from hiding them under a mat or pot. 5、Easy Installation on Sturdy Surfaces: Comes with all necessary mounting hardware, including 4 screws and 4 nylon expansion screws, allowing secure installation on any strong surfaces in offices, classrooms, vacation homes, apartment entrances, and residences. Item Type: Key Lock Box with 4 Digit Combination Material: Aluminum Alloy, Iron Alloy Weight: Approx. 503.00g/17.74oz Outer Size: Approx. 123x83mm/4.8x3.3in Inner Size: Approx. 93x63x30mm/3.7x2.5x1.2in 1 x Key Lock Box 1 x Instruction Manual 4 x Expansion Screws 4 x Screws