... price . 3.CE&CCC&Rohs EMC tested Lighting Eletronic Transformer (High quality)1.watts:20-105w 2.power factor:High ... Power Factor3.OEM service provided4.No Interference5.EMC testedLighting Eletronic Transformer (High quality)1.light weight, high effeciency, mature circuit, ... 3.small volume, convenient to fix,easy to control4.suitable for all kind of lamps5.suitable place:factory,school,hotel,hospital ...