[New Generation] Large Secure Key Box with Code & Emergency Keys, Wall Mounted Key Box with Protective Cover Outdoor for Home, School, Factory, GaragesHigh Security: Our combination key box is made of solid aluminum alloy, which is waterproof, corrosion-resistant and weather-resistant. Ideal for outdoor installations. A protective cover protects the combination dial from unpredictable weather conditions. Large Capacity: The capacity of the large outdoor key box is large enough (inner size is about 11.5 x 8 x 4.3 cm), which can hold house keys, office keys or other large car keys; if necessary, you can also store some small things, such as credit cards, ID cards, etc. Two Unlock Modes: This key safe has a 4-digit combination and an emergency key; It allows you to set up to 9,999 combinations. You can set your own password and change it regularly for added security, making it difficult to crack. In case you forget the password, a backup key can be more convenient! Wide Application: This large combination key safe can be widely used in homes, gardens, offices, etc. It will be a great helper on any occasion. It allows you to keep your car keys safe while you surf, rather than risking hiding them in the sand, under rocks, etc. Easy to Install: This outdoor key safe comes with 4 screws and 4 nylon wall anchors to ensure the key box can be installed on any solid surface. A box can be drilled into the wall for a little more money without any hassle or extra work required.