Our TM-548 is a truck-mounted full-matrix message sign that is powered from the truck’s battery. The TM-548 offers full graphic capability including several one touch arrow and directional display and sequencing functions. The TM-548 features the innovative V-Touch controller that plugs into the cigarette lighter and a manual up/down bracket. An optional wireless version of our V-Touch controller is available to save you time and and installation costs, and our powertilt mounting option will ease your work with our automated auto up/down feature. The TM-548 is ideal for highway stripping trucks, highway emergency and helper trucks.