As we all known ,a chip for a LED Area Light like a brain to a creature.so the chips are pretty important to a led area light .even you can say chips are a key part for a led area light. for most led area light manufacture ,they dare not ensure a higher light efficiency and long time life span .but for E-lite semiconductor inc ,we can ensure a higher light efficiency and a five-year warranty .for E-lite ,we can have a nice light engine with a nice chips. for more detailed information ,you can come to our factory and company and see our led area light in our lighting show room .we sure you will satisfied with our led area light .