... ,PMMA lens,1000lm 3.CRI>80,die-casting heatsink 4.US design patent 5.SAA,C-Tick downlight LED Detailed Features ... Downlight LED:1. SAA, C-Tick approved downlight LED with US design patent2. Ultra bright Cree or Nichia LEDs, up to ... can be widely used in residences, restaurants, exhibition halls, hotels and shop windows etc.US Design Patent for 12W Dimmable Downlight LED