ORIA Key Storage Lock Box, Wall Mounted Key Lock Box With 4-Digit Combination, Holds up to 5 Keys, for House Keys or Car Keys, Black Durable Material: This key lock box is made of zinc alloy and heavy-duty steel, which can protect the box from hammering, sawing or prying. Also, it is environmentally friendly paint, so it isnt harmful to the body. High Security: This product is an adjustable combinations lock with 4 dials. It can offer 10000 combination. Large Storage Capacity: The box has large space which you can place 5 keys at most. You can put your house keys or car keys in it when you go to work or on vacation. Easy Operation: It is easy to install and use it. You can set your favorite numbers as your passwords. The 4-digit combination is easy to remember and reset. Wide Application: The key box can be used in many areas. It is suitable for outdoor use. It can be fixed to a wall for emergency entry, vacation home, pet sitters ,etc.