Benq

•  Cloth surface (S)•  Consistent and controlling glide•  Stitched edges•  Uniform high-density rubber base..

•  Optimal and more precise pretravel•  High quality iron spring•  Consistent keystroke and improved durability•  Optical switches, avoid double key presses•  No drivers needed, plug & play..

•  Brightness (ANSI lumens) : 4000•  Resolution : WUXGA (1920x1200)•  Native Aspect Ratio : 16:10•  Contrast Ratio (FOFO) : 3,000,000:1•  Display Color : 30-bit (1.07 billion colors)•  Light Source Life : 20000 hrs•  Throw Ratio : 1.3x•  Zoom Ratio : Fixed..