... . Light ColorCW/WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range (Optional ... . Light ColorCW/WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range ( ... . Light ColorCW/WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range ( ... to electronic ballast.2.please make sure it is intalled with power off.3.can not be applied to dimmer device ...