... 3years warranty 3:10years lifespan 4: CE ROHS UL led 300x600 panel light (1):The design of product detailed is beautiful, ... extend the light lifetime,reduce the light failure.(4):led panel light used the 100% PMMA, the light guide panel 's light transmittance is ... This product by CE, ROHS, FCC ,UL,SAA Certification 3. Applications- led 300x600 panel light 1. Factories, Hospital Lighting 2. Warehouse, ...