... Power Adapter, CD-ROM New 7" Mini LCD Touch Poster Sapecifications:ModelEN1008Display Screen Size7"Product Size (mm)226.57(H ... ≥3H (pencil)Light Transmission≥85Life Time> 1,000,000 hoursTouch Poster Software (PC End)Operation SystemWindows7, Windows Vista, Windows XP ( ... Light Transmission ≥85 Life Time > 1,000,000 hours Touch Poster Software (PC End) Operation System Windows7, Windows Vista, Windows ...