... bead. Detail Product Description1.100-110lm/w;2.patent tech.Chip on th Heat Sink;3.>50,000 hrs service life;4 ... .3 yeas warranty.LED Flood light1.100-110lm/w;2.patent tech.Chip on Heat Sink;3.>50,000 hrs sevice ... radiation;8.3 years warranty.Advantages of DGC’s patent technology:1.patent technology,”Chip on the Heat Sink”has significant advantages ...