Street Lamp -all products EMC passed -CE,UL,CUL,Rohs,CB,Gost ... 5 years warranty-100,000 hours lifespan-EMC passed-products are CE,UL,CUL,Rohs,FC,CCC,CB,Gost ... approvedRelated products advantage & technical specification:-high lumen efficiency,low power ... achieve energy-saving 40-50%-power factor: >0.98-lamp working frequency: 200-260KH-wide working temperature: -40~50 ...