... Body Material:AluminumIP Rating:IP44Certification:CE, RoHSProduct Name:led panel lightPower Factor:>0.95Power Efficiency:>0.90LED Type ... : >=80Work temperature:-20°C~+40°CLifespan:>50000HLED panel light Application:1.Offices,conference rooms,meeting rooms,factories2 ... ,universities,hospitalsInstallation way of led panel light: led panel light detail photos:LED panel light Application:Diffrent size for ...