Large storage key safe with numeric code outside is big enough (inside size about 4.5 x 3.6 x 2 inch) to put house keys, brooch keys or other big car keys, and you can also store some small things you need, like credit cards, ID- cards etc. . With two unlocking modes, this key box with numeric code has 4-digit numeric code and emergency key It offers a maximum of 10000 combinations, you can set your own access code and change it regularly to increase security, which makes it difficult to crack The emergency keys can provide more convenience, in case you forget the code! . Solid Construction Our outdoor key safe is made of strong, sturdy aluminum alloy material that is waterproof, corrosion-resistant and weather-resistant. Perfect for outdoors. . Wide Application This large outdoor key safe can be widely used in the home, garden, office, etc. It would be a great helper for any occasion. Prevent lockouts and provide access to your property by healthcare advisors, service technicians, and pet sitters when you're at work or on vacation. .