Viewsonic PS502X 1000 ANSI Lumens XGA Short Throw Business Projector – 4000 (ANSI Lumens); Contrast Ratio with SuperEco Mode: 15000:1; Throw Ratio: 0.616; Throw Distance: 0.75m-3.76m (77"@0.96m); HDMI: 2, (HDMI 1.4 / HDCP 1.4), Audio-in (3.5mm): 1, Monitor out: 1, Audio-out (3.5mm): 1, Speaker: 16W, USB Type A (Power): 1 (5V/1.5A), Retail Box , 1 year warranty-3months on Bulb