Viewsonic PS501X, 3600 ANSI lumens, DMD, XGA (1024x768), 22000:1, 60 - 300", 29.1 - 146.5" (0.74 - 3.72 m) Viewsonic PS501X. Projector brightness: 3600 ANSI lumens, Projection technology: DMD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 5000 h, Service life of light source (economic mode): 15000 h. Focus: Manual, Fixed focal length: 0.272" (6.9 mm), Aperture range (F-F): 2.6 - 2.6. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1080 (HD 1080), Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size