Durable and sturdy: The key lock box is made of an aluminum alloy casing, zinc alloy, and heavy-duty steel lock head, making it more durable and sturdy. It can protect the box from hammering, sawing, or prying. You no longer need to hide your keys under carpets, vases, or stones. 【 2 Installation Method 】: This keylock box is easy to install and has two installation methods. With a detachable shackle, you can safely hang this lock box on the door handle, fence, or any place you like. Alternatively, you can hang this lockbox on the wall. Suitable for indoor and outdoor use. Safe and Easy to Set: This key lock box is a 4-digit adjustable combination lock that offers 10000 combinations, improving security and greatly reducing the risk of speculation. And setting up your own code is also easy. Large capacity and wide use: The key lock box has a large space. You can keep your keys inside during work or vacation. Suitable for emergency entry, relatives, friends, real estate agents, pet nannies, etc. The highest level of security is to hide the key outside, such as the front door, garage, office, or warehouse. Weatherproof 】: This lock box is rust proof, corrosion-resistant, and waterproof, making it very suitable for indoor and outdoor use. It is equipped with a protective cover that provides protection from rain, snow, jamming, or freezing, making this key storage box more cautious and durable.