6 ft / 1.8 m9.5 ft / 2.9 m13.5 ft / 4.1 m17.5 ft / 5.3 m8 ft / 2.5 m11.5 ft / 3.5 m15 ft / 4.5 m20 ft / 6 mMountingheightLineLengthLineThicknessBrightness2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm2 to 3 ft60 to 90 cm@10 ft / 3 m@20 ft / 6 m@30 ft / 9 m@40 ft / 12 m@15 ft / 4.5 m@25 ft / 7.5 m@35 ft / 10.5 m@45 ft / 13.5 mAmber1460LUX950LUX700LUX560LUX460LUX1070LUX340LUX300LUXGreen1940LUX1260LUX930LUX740LUX610LUX520LUX450LUX400LUXRed1570LUX1020LUX750LUX600LUX490LUX420LUX360LUX320LUX