The Traffic Master Series Arrow Stick by Sound Off is a truely effective and safe way to warn on-coming motorists of your presence and safely routes them away from your vehicle.    Our Traffic Masters come complete with a full function controller, cables, and include all mounting hardware.    They feature 5 different safety patterns, a sun shield built in to eliminate "washout", a dual intensity switch, and a LED readout the displays the currect pattern being activated.    This is a split unit that can be mounted on barn door style doors or connected to use as a single Traffic Bar.