High Security Performance4-digit password design, can provide tens of thousands of password combinations, high security, strong anti-theft.Compact Design Small size, compact design, takes up less space and is more convenient to use. Holds 5 keys or 3 large keys for daily needs.Easy to Install Comes 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.Solid and SturdyZinc alloy body, with the features hammer-proof, saw-proof, burglar-proof, waterproof, etc.Multiple Use The 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 easily lost keys. LARGE SECURE STORAGE For up to 5 house keys or 3 large keys. Material: steel alloy Lock type: 4-digit combination key box External dimension: 72*37*94mm Internal dimension: 56*27*72mm Product weight: 300g 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 that you set it to 0-0-0-1 for the first time, then set it to a password you use frequently after you become familiar with it. After set the password, do not forget to return the lever to the "A" to complete the process. Whenever a password is set, it is recommended to take a photo or take a photo to avoid forgetting the set password. Effectively prevent babysitters or other people 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.