... the brightness (25%, 50%, 75%, 100%) by the button on the side.7.8 display actions:hold, snow, move ... over the world13.install style: desktop base, holder, hanging14.Programmable LED Signs, application: bar, company receiption, meeting room, supermarket ... counter, vehicle-mounted and so on.15.Programmable LED Signs, accessories: CD for specification, USB link, rechargeable line, adaptor, white box ...