SincereetaliLarge & Secure Storage SpaceOutdoor key safe box is 13(L)*8.5(W)*4.5(H)cm, the inner size is 11(L)*7.5(W)*3.5(H)cm, one-third larger than the general key safe 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 digital key box password? Don't break it, we offer you an emergency key! If you forgot your password, you can use the emergency key to open the wall key box and reset the password. (Note: You can't put the emergency key in the key box!) More Reliable and SturdyOutdoor key safe box use 4-digit multi-combination code offering 10000 possible combinations to ensure robust protection; The original combination is "0-0-0-0", it would be good to reset the code. Heavy-duty steel locking mechanism and zinc alloy die-cast body to resist attack from hammering, sawing or prying. Waterproof & Solid ConstructionThe car key box is made of high-hardness zinc alloy, it has the characteristics of waterproof, shock-resistant and corrosion-resistant, 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 & Recover CodeThe original code of the key box is "0-0-0-0", if you want to reset the code, open the box and put the button A to B (as the picture shows), Scroll through the numbers to set the desired combination, then put the button B to A is ok. (Note: if you forgot the code, first use the spare key to open it, then scroll through 4 numbers until you see the "RED COLOR" on the back of the key, this is the correct code.)