Viewsonic LS510WE 3800 ANSI Lumens WXGA LED Business Projector – 3800 (ANSI Lumens); Contrast Ratio: 3000000:1; Throw Ratio: 1.55-1.70; Throw Distance: 1m-10.98m (100"@3.34m); HDMI: 1, (HDMI 1.4 / HDCP 1.4), Audio-in (3.5mm): 1, Monitor out: 1, Audio-out (3.5mm): 1, Speaker: 2W, USB Type A (Power): 1 (5V/2A), Retail Box , 1 year warranty-3months on Bulb