Large and secure storage: The wall-mounted key safe measures 13 (L) x 8.5 (W) x 4.7 (H) cm, and the internal dimensions are 12 (L) x 8 (W) cm, one-third larger than a standard key safe on the market. It can store multiple keys or your spare key, credit card, cash, car keys, etc. Secure the key safe outside, rather than placing it under a doormat or under a rock. Emergency key: What should I do if I forget my password for the key safe with code? Did it break? Please don't! This product avoids these problems; we offer an emergency key! If you forget 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 Robust Key Safe with Combination Code Outside and Inside: 4-digit multiple combination code offers 10,000 possible combinations to ensure robust protection; the initial combination is "0-0-0-0." It would be nice to be able to reset the code upon receipt. Heavy-duty steel locking mechanism and cast zinc alloy body to resist attacks from hammering, sawing, or prying. Waterproof and Solid Construction: The key box with combination code is made of high-hardness zinc alloy, has the properties of waterproof and resistant to prying and corrosion, which can well protect internal items. A waterproof cover can help waterproof and protect outdoor privacy. If you have any questions, please contact us first.