message displays 1.usb mini message displays 2.4 grade brightness & 6 speed adjust 3.easy to install,energy saving LED Digital Moving Text DisplayProducts features and function of LED Moving Display1.LED Moving Display, Available Color:red, yellow, blue, green, white, RGY, RBP2.LED Moving Display, Support all the languages all over the world3.Support Windows7/XP,Vista systerm4.LED Moving Display, ...