EXTRA LARGE CAPACITY - Large key box with code lock has extra large space (inner size around: 4.53*3.15*1.77 inch) that you can place multiple keys such as house keys, car keys, security card. More storage than conventional key lock boxes. You can put your keys or car keys in it when you go to work or vacation. HIGH SECURITY - Key box with code lock adopts hard aluminum alloy for durability and this metal material is resistant to rust, waterproof and corrosion resistant. High quality aluminum alloy will protect the box from hammering and sawing. The protective cover protects the combination dials from unpredictable weather conditions. The exterior key box surface is made of eco-friendly material which is not EASY TO USE -Set the numbers you want as passwords and the 4-digit combination is easy to remember and to reset. 4 dials give you 10000 combinations at most, which makes it very hard to break, much safer than 3 digit lock box. Code key box will not be stuck in the process of operation for its good work. Secure key safe is easy to open when using the correct combination. PRACTICAL - Key lock box provides 4 loose screws and 4 extension plugs which are used for fixing to the wall. The manual will offer you useful tips for using this product. By using 4 digit combination padlock, you don't need to store your keys near the gate or under the items, which is extremely dangerous for your home. Password lock is great for home, emergency entrances, vacation homes, pet sitters MIAN FEATURES - 4-digit combination lock to ensure security - Stores many keys for house, car or padlocks etc. - Easy and convenient to fit supplied fixings - Durable zinc alloy body resists hammering and sawing