【Large Secure Storage Space】The external secure key box measures 13(L)*8.5(W)*4.5(H)cm, the internal size is 12(L)*8(W)cm, one 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. Safer than the key under the doormat or under a rock, a key safe cabinet can secure your key. 【Emergency Key】What should I do if I forgot the password to my lockable cabinet? Digital key? Don't break it, we offer you a spare key! If you forget your password, you can use the emergency key to open the wall-mounted key box and reset the password. (Note: You cannot put the emergency key in the key box!) 【More Reliable & Robust】The external secure key box uses a 4-digit multi-combination code offering 10,000 possible combinations to provide robust protection; The original combination is \"0-0-0-0 \", it would be good to reset the code. Heavy-duty steel locking mechanism and die-cast zinc alloy body to resist hammering, sawing or prying attacks. 【Waterproof & Solid Construction】The car key box is made of high-hardness zinc alloy, it has the properties of waterproof, shockproof and corrosion-resistant, which can well protect the internal items. The waterproof cover can help waterproof and protect outdoor integrity. 【Reset Code & Find Code】The original key box code is \"0-0-0-0 \", if you want to reset the code, open the box and set button A to B (as shown in the picture), scroll through the numbers to set the desired combination, then set button B to A, it's ok. (Note: If you forget the code, use the spare key to open it first, then scroll through 4 digits until you see the \"RED COLOR \" on the back of the key)