uv lamp electronic ballast 1.CE,CB,SAA,ROHS,ISO9001 approved ... .98,THD:15% 4.Voltage:120V or 230V uv lamp electronic ballast1.for UV lamp 7W,9W,11W,13W,18W.2.power ... , convenient installation11.AC voltage range(min-max)170-264V or 90-130VDC voltage range(min-max)198-276V12.Energy Efficiency:EEI ... ,high power factor >0.98 7W 9W 11W 13W 18W uv lamp electronic ballast