The Grote 6.39" 12/24V LED Short Dome Beacon Light is the perfect choice for any vehicle lighting application. This beacon is designed to be used in both 12 and 24 volt systems, and features a unique S-link system that allows for synchronizing up to six other units. It also features 12 different selectable flash patterns in either of two phases, plus a steady-on mode. The circuit board is conformal coated to protect the circuitry, and the white polycarbonate dome provides a bright, clear light. This beacon is perfect for emergency vehicles, construction vehicles, and more. FleetPride is your First Click in Heavy Duty®.