SUNCO BENEFITS - 7 Year Protection! Simply use the slider switch to select from 5 options (2700K, 3000K, 4000K, 5000K, 6000K) and find the perfect fit for your space. HIGH BRIGHTNESS - Replace your old halogen can lights with our 6" Flat Retrofit Downlights and double the brightness of your space while saving up to 90% in energy costs.