High Security Performance4-digit password design, can provide tens of thousands of password combinations, high security, strong anti-theft. Compact DesignSmall size, compact design, takes up less space and is more convenient to use. Can hold 5 keys or 3 large keys for daily needs. Easy to InstallComes with mounting hardware, 4 screws and 4 expansion plugs, and an instruction manual (English). Simply insert screws and plastic expansion plugs into a wall or other hard surface to secure the safe. Strong and SturdyZinc alloy body, with the characteristics of anti-hammering, anti-saw, anti-burglary, waterproof, etc. Multiple UseThe key box can be installed outdoors or indoors. Warehouses, doorsteps, garages, emergency entrances, etc. Solve the problem of carrying too many keys or the problem of keys being easily lost. LARGE SECURE STORAGE For up to 5 house keys or 3 large keys. Material: Alloy Steel Lock Type: 4-Digit Combination Key Box External Dimension: 72X37X94mm Internal Dimension: 56X27X72mm Important Tips: Please read the steps carefully and change the password carefully, otherwise it cannot be opened. The initial password is 0-0-0-0. It is recommended to set it to 0-0-0-1 for the first time, and then set it to a password that you use frequently after you are familiar with it. After setting the password, remember to return the lever to the "A" position to complete the process. Every time a password is set, it is recommended to take a photo or take a picture to avoid forgetting the set password. Effectively prevent babysitters or others from entering your home while you are at work or on vacation The steel construction of the key safe makes it non-corrosive and weather-resistant. And the impact-resistant cover is impervious to hammering, sawing or opening. 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.