Sharp XGC455W. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x800). Lamp power: 275 W, Lamp power (economic mode): 3000 W. Focus: Manual, Focal length range (f-f): 28 - 33.6 mm, Aperture range (F-F): 1.7 - 1.9. Vertical scan range: 43 - 85 Hz, Horizontal scan range: 15 - 110 kHz. Analog signal format system: NTSC, PAL, SECAM, Supported video modes: 1080i, 1080p, 480i, 480p, 540p, 576i, 576p, 720p