Large and Safe StorageWall mounted key safe is 13 (L) * 8.5 (W) * 4.7 (H) cm, inner size is 12 (L) * 8 (W) cm, a third larger than that General key safe on the market, can arrange multiple keys or your spare key, credit card, cash, car keys etc. Secure the key safe on the outside rather than placing it under the doormat or under a stone. Emergency keyWhat should I do if I forgot my key safe with code password? Broke it? Please don't! This product avoids these types of problems, we offer an emergency key! If you have forgotten your password, you can use the emergency key to open the key box and reset the password. (Note: You cannot put the emergency key in the key box!) Reliable and RobustKey safe number code outside and inside 4-digit multiple combination code offers 10,000 possible combinations to ensure robust protection; The original combination is "0-0-0-0". It would be nice to reset the code after receiving it. Heavy-duty steel locking mechanism and zinc alloy cast body to resist attacks from hammering, sawing or prying. Waterproof and Solid ConstructionKey box number code is made of high-hardness zinc alloy, has the properties of waterproof and resistant to prying and corrosion , which can protect the internal items well. A waterproof cover can help waterproof and protect outdoor privacy. If you have any questions, please contact us first. Reset Code & Find return codeIf you want to reset the code, open the box and press the A to B button (as the picture shows). Scroll the numbers to set the combination you want, then set the B button to A is OK. (Note: If you forget the code, open it with the spare key first. Then scroll through 4 numbers until the "RED COLOR" appears on the back of the key. correct code.