4 Strobe Light Bar 60"L X 10"W X 3.5"H - Edge 9000 Strobe Light Bar, Features A Sealed 6 Head Power Supply With Water Resistant Wiring Harness and Can Be Fitted With 4, 6, or 8 Strobes. Has a New Shock Resistant Mount and Comes Standard with Rear Work Lights, S/T/T and Stainless Steel Mounting Brackets.