... .5nm)2)Compliance with IALA color(red,white,yellow,green,blue).Turn on at dust and turn off at dawn automatically ... saving Speficiations: Light CharacteristicsIntensity25cdVisible Range>3.5nmAvailable colorsRed, amber, green, blue, white, infred LEDVertical degree> ±3.5° at 50% intensityHorizontal degree360Light ...