General description Secure Key Box is a wall-mounted key safe designed for both indoor and outdoor use, featuring a 4-digit digital code for enhanced security. Its extra-large capacity allows for the storage of 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 Features: rust-proof, waterproof, and corrosion-resistant 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 Simple and classic design makes it a great gift for family or friends