Acer S1387 DLP Projector (MR.JY811.001) - DLP Projection System, Throw Ratio: 0.52 (2209.80 mm@980 mm), Zoom, Digital: 2x, Screen Size: 36 – 300-inch, Native Resolution: WUXGA (1280 x 800), Standard Mode Brightness: 4800 Lumens, Native Aspect Ratio: 16:10, Contrast Ratio: 20 000: 1, Number of Speakers: 1 x 16W Mono, Number of Lamps: 1, Lamp Power: 240W, Connectivity: 2 x USB 2.0 Type-A, 1 x Composite Video, 1 x VGA In, 1 x VGA Out, 2 x HDMI, 1 x RS-232, Audio In, Audio Out, Weight: 3.10kg