Product Name: Portable Projector Display Screen Portable design with steady base, self standing pull-out style. The projection screen is convenient to set up at anywhere. Projector Viewing Screen Size: 50" (Diagonal) (40" x 30") , Aspect Ratio / Viewing Format: 4:3 (16:9 Compatible) Made of white color high reflection material, more colorful to watch HD movie, and make the projection more clear that will protect your eyes from fatigue. Long duration, wide viewing angle, waterproof. Super lightweight aluminum case, only 2kg(4.4lbs). With handle bar to lock and lifting ring to carry. Universal fit for your pocket or professional LED/LCD/DLP projector. For indoors or outdoors use like: home/office/classroom/camping etc..