... Product name:led fuel price sign display for gas station Widely Application fields: Commercial exhibition, office, meeting, retail ... the bodyOn/off, Brightness, Message Selection, USB Port (mini-5 pin)Brightness Control4 levels (25%, 50%, 75%, ... / 98,/ 2000Pictures shown:Basic Information: Brand NameleadledsUsagePortable LED Mini Display board.Put on desk, showcase, information counter, shelf ...