... 3km (2nm-3.5nm)2)Compliance with IALA color(red,white,yellow,green,blue).Turn on at dust and turn ... , amber, green, blue, white, infred LEDVertical degree> ±3.5° at 50% intensityHorizontal degree360Light sourceLEDLED life≥100,000 hrsElectrical CharacteristicsAutonomy ... >21 days(12hour darkness,12.5%duty cycle)On/off level60/100 LuxFlashing ratecomplies to ...