Large and Secure StorageWall mounted key safe is 13(L)*8.5(W)*4.7(H)cm, inner size is 12(L)*8(W)cm, one-third larger than that general key safe on the market, can arrange multiple keys or your spare key, credit card, cash, car key, etc. Secure the key safe outside than put it under the doormat or under a stone. Emergency KeyWhat should I do if I forgot my password of key safe with code? broke it Please do not This product avoids these kinds of troubles, we provide an emergency key If you have forgotten your password, you can use the emergency key to open the key box and reset the password. (A notice: You can't put the emergency key in the key box ) More Reliable and SturdyKey safe numeric code outside and inside 4-digit multi-combination code provides 10000 possible combinations to ensure robust protection; The original combination is "0-0-0-0". It would be nice to reset the code upon receipt. Heavy-duty steel locking mechanism and zinc alloy cast body to resist attack by hammering, sawing or prying. Waterproof and Solid ConstructionThe key box is made of high-hardness zinc alloy, has the characteristics of waterproof and resistant to prying and corrosion , that can protect the internal objects 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 code, open the box and press A to B button (like the picture shows). Scroll the numbers to set the combination you want, then set the button B to A is ok. (A notice: 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.