【Super Security Lock Box】The secure key box is constructed with high-quality aluminum alloy and zinc alloy, which is rust and corrosion-resistant, meeting the highest quality standards, robust enough to withstand hammering, sawing, and prying. Even if installed outdoors, it can withstand wind and sun, ensuring long-lasting use. 【12-Digit Combination Code】The 12-digit code allows you to set the code with many unique choices, ensuring high security. Make sure you record your password by taking a photo or a note after each password reset, otherwise, you will have no way to reset it. The waterproof lock box's instruction manual guides you through each step and allows you to reset your access code at any time. 【Extra Large Key Cabinet】At least 5 house or car keys can be locked into this wall-mounted key box, as well as access cards, credit cards, and USB drives. It is suitable for outdoor and indoor use and can be used for emergency access or keyless entry for family, pet sitters, and friends in the apartment, garage, garden, classroom, factory, company, shop, college, dormitory, vacation home, etc. 【Easy to Install】With all mounting hardware and pre-drilled holes included with the security key box, 4 screws and 4 nylon expansion bolts, the key box's numeric combination can be easily attached to a solid surface. The key storage box is easy to open when using the correct numbers.