Projection technology: 3LCD Display chip: 3×0.63 inch chip Standard resolution: XGA (1024×768) Screen ratio: 4:3/16:9 Light source life: 10,000 hours in normal mode, 20,000 hours in economic mode 12 Brightness and contrast Brightness: 3800 lumens (some sources are marked as 3200 lumens, and there may be version differences) 12 Contrast ratio: 2000:1 12 Projection parameters Projection size: 30-300 inches Projection distance: 0.887-10.899 meters Zoom mode: manual focus Projection ratio: 1.48-1.78:1 2 Interface and performance Interface: VGA, HDMI 1.4, RS232, USB-B (upgrade) 3 Noise: normal mode 38dB, economic mode 31dB 3 Power consumption: 290W in normal mode, 203W in economic mode, standby power <0.5W 3 Appearance and weight Size: 345×261×99mm Weight: 3.06 kg 23