... Light ColorCW/WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color ... Light ColorCW/WW/R/G/B/Y/RGB7. Beam angle (with lens) 15,° 30°,45°,60°, 90° 8. Color ... stability7.No radiation, no flicker ,no ultravioletApplication of LED spot lightvilla, meeting room, office, school,hospital,residential lighting. ... ballast.2.please make sure it is intalled with power off.3.can not be applied to ...