Alloy Steel, Aluminium, Polyvinyl Chloride DURABLE & ROBUST DESIGNThe outdoor key lock box is made of heavy-duty PVC material, aluminum alloy material, strong and durable steel locking mechanism, which provides extra resistance to the safe, which can resist the impact of hammering and drilling. Combination Key storage locks box help you save time and protect your belongings with no risk of loss or theft. DUSTPROOF, RAINPROOF, WEATHERPROOF COVERThe spare key hider lock box is equipped with a black cover, which can effectively protect the combination dial from dust, rain, snow, ice and other weather damage, making it last longer. Outdoor lockbox for indoor and outdoor use. Confidently protect and share backup keys with your loved ones and those you trust. It is especially suitable for fitness enthusiasts, decoration, cleaning services, housing rental, emergency medical care and Airbnb. HIGHER SECURITYKey Security lock box design with 12-digit combination, can provide you thousands of combinations to ensure the highest level of security, far more than 4-digit password, which is more difficult to crack. Easily reset the combination you want at any time. After setting a new password, it is recommended to take a photo or record it. Once you forget your password, you will no longer be able to use the keybox. LARGE CAPACITYExternal Dimensions: 11.5 x 8.5 x 5.5 cm / 4.53 x 3.35 x 2.17 (H x W x D). Internal Dimensions: 11 x 8 x 3 cm / 4.33 x 3.15 x 1.18 (H x W x D). The key safe lock box provides ample and secure interior storage space for your valuables. The outdoor storage lock box can hold 5-8 small items such as medium-sized house keys, access cards, car keys, etc. With this security key lock box, you don't have to worry about keys hidden under the carpet being taken away. 100% SATISFACTION GUARANTEEThe kit includes a security key box, instruction manual in 5 languages, screwdriver and installation kit (4 screws + 4 expansion plugs). This high security lock box would be a wonderful gift for your family or friends. All products have undergone strict quality inspections, if there is any quality problem, please feel free to contact us.guarantee.