The PDX3000 comes superior functionality that simply is not found in other vendors' pole displays. Scrolling, user-definable characters and a built-in real-time clock are all standard features of the unit’s firmware. The PDX3000 is also more visible than its competitors due to a special scratch-resistant lens that has a color optically matched to the light emitted from the vacuum fluorescent display. Part Details: Logic Controls PDX3000 Pole Display - Green - VFD - Serial - Black