LARGE SECURE STORAGE: The capacity of the large combination key box is large enough to hold house keys, office keys or other large car keys; you can also store small things, such as credit cards, ID cards, etc., if necessary. Two unlocking modes: this key safe Combination has a 4-digit combination and an emergency key; it allows you to define up to 10,000 combinations. You can set your own password and change it regularly for added security, which makes it hard to crack. Backup keys are more practical in case of forgotten passwords! STURDY CONSTRUCTION: Our wall mounted key case is made of sturdy aluminum alloy, corrosion resistant, corrosion resistant and weather resistant. Ideal for outdoor installations. Wide Application: This large outdoor key box can be widely used in home, garden, office, etc. It will be a great help in any occasion. It allows you to keep and secure your car keys while surfing without the risk of hiding them under sand/rocks etc. Product Description Have you ever hidden your keys under the doormat or in a flowerpot when you're not home, but worried if it's safe? Don't worry! Our secure key safes can make your life easier. And there are 2 unlock modes, more convenient than others, you don't need to open it when you forget the password, but use the emergency key. The car key box is perfect for sharing keys safely with: children after school, babysitters, first responders for the elderly, etc.