Thule 665C Transporter Combi Hitch-Mount Cargo Box Hitch mount luggage box for 1-inch and 2-inch receiver hitches, class II or III 13-cubic foot storage capacity/holds 150 lbs. Of gear;Locking system : Central lock Box tilts down for access to the rear of the vehicle when the box is empty Pre-wired tail lights, which draws power from your vehicle's 4-pin wire harness plug Includes license plate adapter that attaches to the rear of the box for full license plate visibility