Vivitek D945VX. Projector brightness: 4500 ANSI lumens, Aspect ratio: 16:9, 4:3, Projection technology: DLP. Service life of lamp: 2000 h, Lamp power: 280 W, Service life of lamp (economic mode): 3000 h. Focus: Manual, Throw ratio: 1.8 - 2.1:1. Vertical scan range: 43 - 85 Hz, Horizontal scan range: 15 - 30 kHz. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL B, PAL G, PAL H, PAL I, PAL L, PAL M, PAL N, SECAM, Supported graphics resolutions: 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+), 640 x 480 (VGA), 800 x 600 (SVGA), Supported video modes: 1080i, 480p, 576i, 576p, 720p