Check the listing for details. Hella K-LED 400 Warning Beacon Amber Flash. Condition: New – Open box. Listed at 235.00 USD. "Extremely robust design and construction - tested to withstand 200G shock force X 10 000 timesCast aluminum base with 8 integral LED mounting towers ensures efficient heat dissipation to ensure maximum brightness for longer from the High Power 'Cree' LEDsFully encapsulated / potted electronics for maximum vibration and weather resistanceIndividual power testing before packaging for assured quality and trouble free operationVehicle battery monitoring and low voltage condition flash pattern changeAuto reverse pattern changeDaylight monitoring and switchable automatic light output adjustment – 100% during the day and 50% at nightTechnical Data:Voltage 12/24VAmps 1.5 (nominal)FPM Various Flash Patterns Double / Quad / Random / Action Light Intensity Control Yes Connection Fixed: 11” / 280mm cable Base Material Cast aluminum alloy Encapsulated Electronics Yes Type Approval Voltage 12/24V SAE Exceeds SAE J845 Class I IP Approval IP6K5K DOT System Yes (July / August 2009)