High Security Key Safe - The combination key safe is made of solid steel and zinc alloy castings with excellent defense, which makes the key safe resistant to hammering, sawing or indiscreet attacks. The combination key box is super waterproof, corrosion resistant and weatherproof. Particularly suitable for homes, garages, schools, gymnasiums, warehouses and other places.Excellent Water Resistance - The combination key case is equipped with a black cover, which can effectively protect the dial from dust, acid rain, ice and snow, making it more durable. The compact design makes it look like a weatherproof outdoor outlet that no one will notice. This key safe can be mounted on walls/doors or other secret places like closets to keep your keys safer.