🔐【Large & Secure Storage】Combination key lock box outsize is 13(L)*8.5(W)*4.7(H)cm, Inner size is 12(L)*8(W)cm, one-third larger than the general wall key safe lock on the market, can arrange multiple keys or your spare key, credit card, cash, car key ect. More secure the key than put the key under the doormat or under a stone, a keys lock box can make your key safe. 🔐【Emergency Key🔑】What should I do if forgot my password of wall mounted lock box? Smash it? Please Don't! This product avoids this kind of trouble, we offer one emergency key! If you forgot your password, you can use the emergency key to open the key box and reset the password. (❗Note: You can not put the emergency key in the key box!) 🔐【More Reliable & Robust】Key safe box outdoor and indoor use 4-digit multi combination code offers 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 against attack from hammering, sawing or prying. 🔐【Waterproof & Solid Construction】Combination key safe box is made of high-hardness zinc alloy, it has the characteristics of waterproof and resistant to prying and corrosion, which can protect the internal items well. Waterproof cover can help waterproof and protect privacy outside. 🔐【Reset the Code & Find Back Forget Code】The key safe combination lock original code 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 numbers to set your desired combination, then put the button B to A is ok.（❗Note: if you forgot the code, use the spare key to open it first, then you scroll 4 numbers utill see the "RED COLOR" at the back of key, that is the correct code.)