Led High Bay Light Material:High-purity Aluminium reflector heat sink and hanging hook Aluminium alloy housing Acrylic glass cover High powerful Led light source High efficiency imported Led driver Input Voltage AC85-265vFreqency Range 50-60HzPower Factor Above 0.9Power Efficiency Above 85%Led Luminous Efficiency60-90lm/wColor Temperature2700K-6500KIP GradeIP65Working Life-span50000HN.W/G.W5.5KGS/6.3KGSIlluminance UniformityAbove 0.7 Usage: Workshops,factories,storehouses,toll stations,gas stations supermarkets,exhibition halls etc.