Optoma PRO150S. Projector brightness: 2800 ANSI lumens, Aspect ratio: 4:3, Projection technology: DLP. Service life of lamp: 4000 h, Lamp power: 185 W, Lamp type: UHP. Focus: Manual, Focal length range (f-f): 21.8 - 23.98 mm, Offset: 115 %. Vertical scan range: 24 - 85 Hz, Horizontal scan range: 15.3 - 91.1 kHz. Analog signal format system: HDTV, NTSC, PAL, SDTV, SECAM