<p>Durable material. Heavy-duty aluminum alloy construction protects the case from damage from hammers, saws, drills, etc., impact, corrosion and weather resistant High security. This product is an adjustable combination lock with 4 dials. It can be converted to non-resettable mode for added security Large storage capacity. The box has ample space to store valuables such as keys, USB sticks, business cards, etc. You can put them on when you go to work or on vacationEasy operation. It is easy to install and use. You can set your favorite numbers as passwords. 4-digit combination is easy to remember and resetWide application. The key box can be used in many areas. It is suitable for outdoor use. It can be hung on the door for emergency entrance, vacation home, pet sitters, etc.</p>Note: The data are all manual measurement, please allow error of 1 - 31cm, due to the light and display difference, there will be some color difference, depending on the physical object received.