Epson E24, 3600 ANSI lumens, 3LCD, XGA (1024x768), 15000:1, 4:3, 15 - 350" Epson E24. Projector brightness: 3600 ANSI lumens, Projection technology: 3LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 12000 h. Focus: Manual, Focal length range: 16.7 mm, Aperture range (F-F): 0 - 1.44. Supported graphics resolutions: 1024 x 768 (XGA), Video color modes: Blackboard, Cinema, Dynamic, Presentation, sRGB. Serial interface type: RS-232C