High Security Key Safes - Combination key safes are constructed from strong steel and zinc alloy castings for excellent defense, making the key safe resistant to hammering, sawing or accidental attack. The combination key box is super waterproof, corrosion-resistant and weatherproof. Especially suitable for homes, garages, schools, gymnasiums, warehouses and other places. Excellent waterproof performance - The combination key box 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 and no one will notice. This key safe can be installed on the wall/door or other secret places such as closets to ensure your keys are safer.