Spiral Energy Saving Lamp +OEM available +GS, EMC, RoHS, EuP, ISO9001 approved +Longer life ... operation voltage rangeMore than 80% real wattageComply with CE,ROHSPassed standard:ISO900180% energy savingExcellent color rendderingOne-short start up for ... :100-130V220-240V/127V/36VFrequency:50/60HZT2/T3/T4 tube are avalibleApplication:yard, street, garden, marketplace, corridor , residence , factory , ...