... led ceiling panel light Features:1.Aluminum body to insure heat dissipation and long life-span2.Saving up 50% energy consumption3.High ... and environment4.Instant start, no flickering, no humming5.New inner high efficiency (95%) with heat protection system, the constant current6. ... halls, art galleries, museums, offices, reading rooms, contour range High Output Pure White 20W led ceiling panel light