Large and Safe Storage: The capacity of the large combination key box is large enough (the internal size is about 10 x 9 x 4 cm), which can hold house keys, office keys or other large car keys if necessary; Also store some small things, such as credit cards, ID cards, etc. Two Unlock Modes: This password key safe has a 4-digit password and a panic button, it allows you to set up to 10,000 combinations; You can set your own password and change it regularly to increase security and make it more difficult to crack. A backup key is even more useful if you forget your password! Easy to Install: This outdoor key box comes with 4 screws and 4 nylon expansion wall anchors, ensuring that the key box can be installed on any solid surface. No hassle or extra work and expense to drill the box into the wall. Sturdy Construction: Our wall mounted key box is made of durable aluminum alloy, waterproof, corrosion-resistant and weather-resistant. Very suitable for outdoor installation. Wide Application: This large outdoor key box can be widely used in homes, gardens, offices, etc. It will be a great help for any occasion. It allows you to save and secure your car keys while you surf without having to risk hiding them under sand/rocks etc. Product size: 15*13.5*5.5cm Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.