HIGH SECURITY - The combination lock box is made of high-strength zinc alloy and sturdy steel, which can protect the box from hammering, sawing or prying, rust-proof and sturdy, it is a reliable key safe. 4 DIGIT COMBINATION CODE - The outdoor key box is a combination of 4 digit adjustable metal wheel locks with 10,000 combination codes, you can reset your code at any time. LARGE CAPACITY - The Portable Key Safe offers a spacious interior that can hold up to 5 house keys. You can put your house keys, car keys or access cards in it when you are traveling or on business. EASY TO INSTALL AND USE - All necessary installation materials are included, including 4 screws and 4 nylon expansion anchors and instructions (may not be in English). Simply insert the screws and plastic expansion anchors and drill them into a wall or other hard surface and make sure it is securely mounted. WIDELY USED - For easy access and security, this key cabinet is suitable for storing spare keys for your house or car, suitable for emergencies, home healthcare, vacation homes, pet sitting, Airbnb, home rentals and more.