1.led offroad 2. low power consumption 3.96% optical/reflector efficiency 4.More durable AURORA ' ... . Dual-oversized heat sink5. Sealed waterproo connector10.Pass Chinese Military Standard GJB 150&US MIL810-STD ModelLengthL.E.D(QTY)LumenVott ... ,CombinationALO-S50PED50''50PCS246009V-36V 250wFlood,Spot,CombinationProduct Photos Package Photos 2'',4",6",8",10",20",30",40",50" more size ...