Features: Convenient: Keep a spare key handy and never nerve to lock yourself out. The key safe lock box outdoor is perfect for people living alone friends relatives home sevices at given time emergency entry real estate business etc. High Security: The 4-digit outdoor lock box allows you to set your own combo code with 10000 unique choices which you know it is secure. High strength zinc alloy body construction mounted inside with 4 heavy duty mounting screws protects the code lock box from hammering sawing and prying. Easy Operation: Open the spare key lock box with correct combo within 2 seconds saving time to search keys in your bag. It is easy to install and set the 4-digit combiantion. Instructions are always included. Large Capacity: The door lock box comes with large internal space holding up to 5 keys. You can also alter to storage credit cards or USB thumb drive. Inner dimension: 3.74in x 2.67in x 1.45in (LWH). Exquisite Design: Lock boxes designed for installation to a wall or other fixed object sliding shutter door to hide as well as protect combination dials from weather plastic body construction for durability environmental protection paint is non-corrosive and rust-resistant. Specifications: Model Number: Mh902 Material: Aluminum Alloy + Zinc Alloy Colour: Black Grey Red Yellow Green Blue Internal Space Size: 9567.836.8Mm / 3.742.671.45In You Will Receive: 1 x Key Storage Lock Box 1 x Installation Kit 1 x User Manual (Product: Key Safes Boxes & Hideaways Colour: Yellow Size: Standard)