【Large and Safe Storage】: The capacity of the large combination key box is large enough to hold house keys, office keys or other large car keys; if necessary, you can also store small things, such as credit cards, ID cards, etc. 【Two unlocking modes】: This password safe has a a 4-digit password 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. If you forget your password, the backup key will be more useful for you! 【Easy to install】: This outdoor key safe comes with 4 screws and 4 expansion anchors made of nylon, which ensures that the key box can be installed on any solid surface. No hassle or extra labor to drill a box into the wall at a higher cost. 【SOLID CONSTRUCTION】: Our wall mounted key box is made of heavy duty aluminum alloy, which is weather resistant. water, corrosion and weathering. Ideal for outdoor installation. 【Wide Application】: This large