Optoma expands Pico projector line with two new, more powerful models 2010-01-07 Optoma Introduces Pico PK102, World's Smallest, Battery-Powered DLP Video Projector With VGA Connection And 4GB Internal Memory 2009-09-01 Optoma announces HD20, 1080P projector at new price point 2009-06-16 HD Cinema in your Sitting Room with Optoma's Latest High-spec HD82 Home Theater Projector 2009-02-16 Optoma Pico Wins 2009 Innovations Design and Engineering Award for Top Video Displays 2008-11-10         HD20 Resolution/ 1080p (1920x1080) Brightness (typical)/ 1700 ANSI Lumens Contrast Ratio/ 4000：1(Max);500：1(ANSI Contrast)