... 1.usb mini led moving display 2.4 grade brightness & 6 speed adjust 3.easy to install,energy saving LED Digital ... over the world13.install style: desktop base, holder, hanging14.LED Moving Display, application: bar, company receiption, meeting room, supermarket ... counter, vehicle-mounted and so on.15.LED Moving Display, accessories: CD for specification, USB link, rechargeable line, adaptor, white box ...