High Security Key Safe Combination key safes are made of solid steel and cast zinc alloy with excellent defense, making outdoor key safes strong and durable. Hammering, sawing or prying attack. The combination key box is super waterproof, anti-corrosion and weatherproof. Especially suitable for homes, garages, schools, gymnasiums, warehouses and other places. Excellent Water Resistance - The combination 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 that no one will notice.Large Capacity - Exterior Dimensions: 11.5 x 8.5 x 5.5 cm / 4.53 x 3.35 x 2.17 inches. Interior: 11 x 8 x 3 cm / 4.33 x 3.15 x 1.18 inches. The secure key box can be used indoors or outdoors. The 12-digit resettable password offers thousands of combinations to ensure the highest level of security. It is recommended to take a photo or write with a pen after setting the password. Once you forget your password, you will no longer be able to use the key box.QUALITY GUARANTEE - The key box is suitable for indoor and outdoor use. With this sturdy and secure key safe, you no longer need to keep your keys under a rug or planter. An external key box can help you save time and protect you from the risk of lost or stolen keys.