light guide panel 1.CRI of led panel:>85 2.LED:CREE, ... .Warranty:3 years DMX Colorful light guide panel Structure of light guide panel: Features: 1) light guide panel adopts super bright LED, and ... , and no humming. No hazardous material (mercury, lead). 3) light guide panel adopts recessed installation, simple and convenient. DMX Colorful light ...