... life and high accuracy.3.led panel light with CE RoHS4. Imported high luminous efficacy LED chip,patented integrated high power LED packaging,luminous ... white toughened glass of 0.4mm thick.led ceiling lighting panelApplications:workshop,high way checking station, square,wharehouse,advertisement ... our products are 3 year , we have a strictly quality controller systerm , we will try our best to avoid ...