Our 4 inch LED Downlight is JA8 and Title 24 Certified for new construction in projects. We make our downlights a higher quality. The Downlight uses branded chips for a quality light source. We also use an IC circuit for smooth dimming. This unit is a flicker free unit, which is better for your health and eyes in the long run. This unit comes in a 4 pack (WW) as well as a single pack in.