If you want to mount your new TV on wheels so you can move it around to different locations or store it in the garage, closet, or house when you leave for extended periods of time, you will need to purchase this option. Package includes an outdoor tilt mount providing 15 down/ 5 up degrees of tilt. These outdoor Heavy Duty Portable Carts are powder coated and designed to go through most residential doors. The cart incorporates four stabilizing arms and four lockable caster wheels for mobility.