... 3.CE/ROHS certifiacte 1.Blend Metal halide bulbs E40 250/400W2.No need ballast3.Lifetime:8000HCode Watt Voltage Lumen Colour ... ODM service provided Certificated Approval :CCC,CE, RoHS, SONCAP, SASO,CB,UL,ETL,CSA,GS,SAA,MEPS and so on. QC ... 100% products checking. Quality guarantee:We provide 2 years warranty 250/400W E40 Blend Metal halide bulbs