Epson/ EB-685W /Resolution WXGA (1280 x 800) /Full HD (1366 x 768 x 2) / Dimensions / Projection System 3LCD Technology LCD Panel 0.59 inch with D9 IMAGE Color Light Output 3,500 Lumen- 2,900 Lumen (economy) In accordance with ISO 21118:2013 White Light Output 3,500 Lumen - 2,900 Lumen (economy) In accordance with ISO 21118:2013 Resolution WXGA, 1280 x 800, 16:10 High Definition HD ready Aspect Ratio 16:10 Contrast Ratio 14,000 : 1 Light source Lamp Lamp 250 W, 5,000 h durability, 10,000 h durability (economy mode), 9,000 h durability (economy mode)