NEC U250X, 2500 ANSI lumens, DLP, XGA (1024x768), 2000:1, 1600.2 - 2159 mm (63 - 85"), 0.132 - 0.319 m NEC U250X. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 4000 h. Focus: Manual, Focal length range: 4.42 mm. Serial interface type: RS-232. Certification: CE; EuP; TÜV GS; RoHS