Product Type: business projectors, home to vote projection technologies: LCD brightness: 2600 Lumens Contrast Ratio: 3000:1 standard resolution: XGA (1024 * 768) Projection size 25 - 300 inches Lamp Life: normal mode: 4000 hours Total Power : Normal mode: 238W, by Product weight: 2.8kg Projection Distance :0.7-11 .3 m light types: ultra-high pressure mercury lamp display chip: 0.63 in. value of Brightness Uniformity: 80% maximum resolution: 1600 × 1200 light bulb power: 180W zoom way : the number of manual zoom color: 16.7 million colors keystone correction: Manual: ± 30 degrees