General description Secure Key Box is a wall-mounted key safe designed for both indoor and outdoor use. It features a 4-digit digital code lock for enhanced security and is made from durable, rust-proof, waterproof, and corrosion-resistant aluminum alloy. With its extra-large capacity, this key box can accommodate multiple keys, making it ideal for homes, offices, garages, schools, and gyms. Technical specifications Inner size: approximately 4.3 x 3 x 1.6 inches Material: hard aluminum alloy Installation Includes 4 free screws and 4 expansion plugs for wall mounting Usage Set and reset your own 4-digit combination for easy access Other information Note: Measurements are manually taken; allow for a 1-3 cm error margin. Color may vary due to lighting and display differences.