Large & Secure Storage SpaceOuter secure key box is 13(L)*8.5(W)*4.7(H)cm, inner size is 12(L)*8(W)cm, one third larger than the general secure key box on the market. can organize multiple keys or your spare key, credit card, cash, car key, etc. More secure than the key under the doormat or under a stone, a key safe can secure your key. Emergency KeyWhat should I do if I forgot my password? digital key box? Don't break it, we offer you an emergency key! If you forget your password, you can use the emergency key to open the wall key box and reset the password. (Note: You cannot put the emergency key in the key box!) More Reliable and RobustExterior secure key box uses a 4-digit multi-combination code offering 10000 possible combinations to ensure robust protection; The original combination is "0-0-0-0", it would be nice to reset the code. Heavy-duty steel locking mechanism and zinc alloy cast body to resist the attack of hammering, sawing or lifting. Waterproof & Sturdy ConstructionThe car key box is made of high hardness zinc alloy, it has the characteristics of waterproof and resistance to knocks and corrosion, which can well protect the internal elements. The waterproof cover can help waterproof and protect privacy outdoors. If you have any questions, please contact us first. Reset Code and Recover CodeThe original code of the key box code is "0-0-0-0" , if you want to reset the code, open the box and put button A to B (as picture shows), scroll the numbers to set the combination you want, then put button B to A is ok. (Note: If you forgot the code, use the spare key to open it first, then scroll 4 digits until you see "RED COLOR" on the back of the key, that's the right one. p>