Popular size with in clear lens option. Environmentally friendly. Save your battery and your fuel - very low current draw so you can leave these flashing without idling your vehicles all the time! All SAE class 1 compliant with very bright amber LEDs. Radio interference free. 19 flash patterns that can be synchronised to flash together. 3 mounting options available with one mounting option supplied with the bar light. Multi-voltage - 12 and 24 volt. Tough polycarbonate lens. Size - 420mm long x 160mm wide x 75mm high Mounting - Magnetic pads and curly cord with cigarette lighter plug.