... colorsRed, amber, green, blue, white, infred LEDVertical degree> ±3.5° at 50% intensityHorizontal degree360Light sourceLEDLED life≥100,000 hrsElectrical CharacteristicsAutonomy>21 ... Quality AssuranceISO9001:2008CE,CCC,UL FAA certificateYESWarranty time4 years for light; 2.5years for batteryAPPLICATION:0)TOWER AND CRANE MARKING 1) TAXIWAY ...