【High Security and Durability】The key box is made of high-hardness zinc alloy, it has the properties of waterproof, impact-resistant and corrosion-resistant, which well protects the internal elements. The waterproof cover can help to waterproof and protect integrity outdoors. It is perfect for indoor and outdoor use, including homes, offices, garages, gyms, hospitals, schools, apartments, etc. 【Large & Secure Storage】The outdoor key cabinet is 13x8.5x4.7cm, the internal size is 12x8cm, one third larger than the general key cabinet 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. The key cabinet provides maximum security and convenience for emergency entry, family, cleaners, real estate agents, friends, tenants, etc. 【More Reliable and Robust】The key cabinet uses a 4-digit multi-combination code that offers 10,000 possible combinations to ensure robust protection; Heavy-duty steel locking mechanism and cast zinc alloy body to resist attacks from hammering, sawing or prying. 【Reset Code】The original code for the key cabinet 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 is ok. The outdoor waterproof key cabinet is the perfect solution for storing your keys when you are on the go or traveling and storing keys for rental properties. 【Emergency Key and Reset Code】Don't break it, we offer 2 emergency keys! If you have forgotten your password, you can use the emergency key to open the wall key box and reset the password. Note: If you have forgotten the code, first use the spare key to open it, then scroll through 4 digits until you see RED on the back of the key, that is the correct code. (Note: You cannot put the emergency key in the key box!)