【SUPER SECURE LOCK BOX】Our wall-mounted key cabinet is made of high-quality stainless aluminum alloy and zinc alloy, which meets the highest quality standards. 【12-DIGIT COMBINATION CODE】The outdoor key box uses a 12-digit multi-code to ensure high security, offering tens of thousands of different combinations, which is significantly harder to crack than a 4-digit key box. You can set and reset your personal password at any time. (Note: Take a picture/write down the code to save your password!) [EASY INSTALLATION] with detailed instructions in 7 different languages and a complete installation kit containing 4 screws, 4 expansion plugs, and 1 screwdriver for use on walls and all solid surfaces. Installation can be done in 4 simple steps: Draw screw drawing Drill AZCller Insert expansion plugs Install the box with screws. 【WIDE APPLICATION】Compared to portable key boxes, this wall-mounted key box is more secure and suitable for safe storage of keys or access cards. It is perfect for emergency services, holiday homes, pet sitters, and offices. Due to its weatherproof design and robust materials, the wall-mounted key box is suitable for both indoor and outdoor use.