Epson PowerLite 2155W, 5000 ANSI lumens, 3LCD, WXGA (1280x800), 16:10, 29 - 280", 15000:1 Epson PowerLite 2155W. Projector brightness: 5000 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 5000 h, Service life of light source (economic mode): 10000 h. Focus: Manual, Focal length range: 18.2 - 29.2 mm, Aperture range (F-F): 1.5 - 2. Serial interface type: RS-232C. Ethernet LAN data rates: 100 Mbit/s