Durable Lockable Keybox; our lockbox is built with high grade rust and corrosion-resistant aluminum alloy and heavy duty stainless steel to the highest quality standards and tough enough to withstand hammering, sawing, and prying. Large Storage Capacity; at least 5 house or car keys can be locked in this mountable box as well as fob, credit cards and USB thumb drives. It is suitable for outdoor and indoor use and can be used for emergency access or family, pet sitters and friends keyless entry to apartment, garage, garden, classroom, factory, company, store, college, dorm, vacation home, and etc. Easy Installation and Operation; included all necessary mounting hardware consisting of 4 screws and 4 nylon expansion plugs as well as instructions. Simply insert the screws and plastic expansion plugs and drill them to the wall or other hard surface and make sure it is mounted tight. The lock door is easy to open when you use the right numbers. Safe and Secure Locker; our adjustable 4-digit combination lock, which is made of zinc alloy, allows you to set your own combo code with 10000 personalized passcode. It also includes protective cover to hide and protect dials from dust, rust, sunlight, rain and snow. Our Promise - From our family to yours, our lifetime promise means that you will never have to worry about buying another lock box again.