... /WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range (Optional)2700-700K9. ... /WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range (Optional)2700-700K9. ... /WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color Range (Optional)2700-700K9. ... electronic ballast.2.please make sure it is intalled with power off.3.can not be applied to dimmer ...