Extra Large Capacity: The large key box with combination lock has extra large space (internal size approx.: 4.3*3*1.6 inches), you can place multiple keys, such as house keys, car keys, security cards. More storage space than a traditional key box. You can put your keys or car keys in it when you go to work or on vacation. High Security: The key box with combination lock is made of hard aluminum alloy, sturdy and durable. This metal material is rust-proof, waterproof and corrosion-resistant. High-quality aluminum alloy protects the box from hammering and sawing. A protective cover protects the combination dial from unpredictable weather conditions. Easy to Use: Set the number you want as a password, the 4-digit combination is easy to remember and reset. 4 dials provide up to 10,000 combinations that are hard to crack and much more secure than a 3-digit safe. The combination key box works well and will not get stuck during operation. Security key safes open easily when you use the right combination. Convenient: Using a 4-digit combination lock, you no longer need to store your keys near your gate or under objects, which can be extremely dangerous for your home. Perfect combination lock for home, emergency entry, vacation rental, pet sitting. The design of the safe is simple and classic. It will be a great gift for your family or friends. The external key box is made of durable and high-quality materials for long-term use. Simply use the correct combination to open the lock in seconds, saving time searching for the key in your pocket. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.