... -in liper inductive ballast ,which has the functions of low temperature rise when working ,long working life ... it more refined ,lighter,and fashionable. the thickness of lamp body is only 28cm1)Frequency:50/60HZ ... or base on your requirement.2)many design of the T8 lighting fixture with 18W,2×18W ... &high effect, Low watt startup7)large quantity of exports CW.A 1*36/40WLighting Fixtures(lighting batten)