... four sides are available(Supply according to customers' request).Display numerals"0,1,2,3,4,5,6,7,8,9,dot ... 100m. It can be adjusted according to customers' request. Controller AdjustingThe Pricing Display System is designed for the long distance display and controlled ... be adjust by a lighter sensor Advantages of ControllerControl the LED price board.Update the pricing of the display showing.Adapt ...