... ,much less emit heat and long life High-Power LED SpotlightFeatures:1. High-Power LED Arrays, alternative power rating from 15W--200W ... angles: 10,16 ,19 ,22,29 (equal to luminous spot diameter of 26cm, 35cm, 45cm, 54cm, 63cm in one ... luminance display, Health & Medicine, and special industrial illumination. ModelLED tube Nos.PowerBeam angleLED light colors1KS-TS1W21DxC11x21W10,16 ,19 ,22,29 (optional ...