Aluminum Construction. Powder Paint Coating. Internal TV Mounting Adapter Plate. Sure Seal Cable Grommet System. Includes (3) 6-7mm & (1) 10-11mm Cable Grommets with Plugs. Filtered Ventilation System. Lock & Latch System. U-Mount System. Clear Rain Viewing System. Includes Fully Integrated Glare Protection System (No Film!). Storm Breeze Air Circulation System. Live Thunder Audio System with Remote.