... over the world3.Support Windows7/XP,Vista systerm4.Programmable LED Signs, Display Ability: English 8000 Chars, East Asia 4000 Chars, ... the languages all over the world13.install style: desktop base, holder, hanging14.Programmable LED Signs, application: bar, company receiption, meeting ... message from PC and re-charge the battery18.can display by upright or stand upside down19.support the function ...