Ultra-Secure 4-Digit Combination Lock: With up to 10,000 possible combinations, this key box provides maximum security and is highly resistant to tampering. The easy-to-use reset mechanism allows you to change your code at any time for added convenience and security. Versatile Mounting: Equipped with a removable shackle, the key lock box can be mounted on a door or wall. The removable shackle offers two mounting options, providing flexibility to suit various installation needs. Note: The shackle is located inside the lock box and can be accessed after opening the box. Sturdy Aluminum Alloy Construction: The heavy-duty outer shell helps resist hammering, sawing, and prying, helping to keep contents secure. This durable box safely stores spare keys and allows for quick access when needed. Weather-Resistant and Corrosion-Resistant: Designed for reliable performance in various conditions, this lock box features a weather-resistant and rust-resistant construction. Suitable for both indoor and outdoor use in different environments. Multipurpose Functionality: Ideal for apartment entrances, garages, rental properties, warehouses, and more. Convenient for storing keys for home-sharing services, real estate professionals, housekeepers, pet sitters, and other uses without hiding keys in insecure locations. Color: Gray & Black Material: Plastic + Metal Package Contents: 1 x Lock Box Note: Light reflection and different displays may cause slight variations in the color shown. Measurement may vary by +/- 1-3 cm.