Large & Secure Storage SpaceExterior secure key box is 13(L)*8.5(W)*4.5(H)cm, interior size is 12(L)*8(W) cm, a 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 box can secure your key. Emergency KeyWhat should I do if I forgot my key box password? digital key? 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 10,000 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 prying. Waterproof & Solid ConstructionThe Car Key Box is made of alloy made of high hardness zinc, it has the characteristics of impermeability and resistance to blows and corrosion, which allows the internal elements to be well protected. The waterproof cover can help waterproof and protect privacy outdoors. Reset Code and Find 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 desired combination, 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)