Product Details: The ECCO 4.9" 7945 Series Dome Beacon Light is the perfect choice for any vehicle. This easy to install and use beacon light serves as an attention getting warning light. It features a reinforced polypropylene base and a polycarbonate lens for maximum protection. The switched cigarette plug adapter makes it easy to connect to your vehicle's power source. This beacon light is suitable for a wide range of environments. FleetPride is your First Click in Heavy Duty®.