Epson 575WI+, 2700 ANSI lumens, 3LCD, WXGA (1280x800), 10000:1, 16:10, 60 - 100" Epson 575WI+. Projector brightness: 2700 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Service life of light source: 5000 h, Service life of light source (economic mode): 10000 h, Lamps quantity: 1 lamp(s). Focus: Manual, Focal length range: 0 - 3.71 mm, Aperture range (F-F): 0 - 1.8. Supported graphics resolutions: 1280 x 800 (WXGA). Serial interface type: RS-232, HDMI connector type: Full-size, USB connector type: USB Type-A, USB Type-B