led panel lighting 30x30cm 1.lifespan>50,000 hours ... the ceiling or hanging on the roof .6.Lighting angle :120degree ,12000LUX.7.Size:300*300mm,300 ... 600mm,600*600mm,1200*300mm,1200*600mm.Application of LED panel light :Widely used in Residential Buildings, ... Room , School, Library, Factory, Warehouse, Hotel, Casino, Parking Garage, Hospital, Commercial Center, Supermarket, Shopping mall etc. Trade Terms ...