With its modular design, the Graco RoadLazer RoadPak System is designed to be as easy to use as a walk-behind striper with high production speeds normally only found on Long Line trucks.Option 4 is a truck-mounted system featuring a 1-pump RoadPak Pump System with a 450 pound Bead Tank, 2-Gun Arm, RoadView HD Camera System, Advanced Controller, Simple Guide System, Gun Lift Winch Kit, Rear Seat Kit and Steerable Carriage.