Viewsonic PA502XP, 3500 ANSI lumens, DLP, XGA (1024x768), 22000:1, 30 - 300", 45.7 - 528.3" (1.16 - 13.4 m) Viewsonic PA502XP. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 15000 h, Lamp power: 190 W. Focal length range: 22.08 - 24.28 mm, Aperture range (F-F): 2.5 - 2.7, Optical zoom: 1.1x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1080 (HD 1080). Serial interface type: RS-232