Cortina 03-10-3WAY6V Polycarbonate Incandescent Barricade Light with Photocell, 6 VDC, Amber Meets MUTCD and ITE specifications. 3-way - flashing, steady burn, off. Weather resistant circuit chip. 7" Polycarbonate Lens - extremely durable. UV Stabilized Attach to all barricades, drums, panels, etc.