Epson EB-2142W. Projector brightness: 4200 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Service life of lamp: 5500 h, Bulb power: 230 W, Service life of lamp (economic mode): 12000 h. Focus: Manual, Focal length range (f-f): 18.2 - 29.2 mm, Aperture range (F-F): 1.51 - 1.99. Video processing: 10 bit, Colour modes (2D): Cinema,Dynamic, Video colour modes: Blackboard,Cinema,Dynamic,Presentation,sRGB. Serial interface type: RS-232C, HDMI connector type: Full-size