... silver grey bottom line makes it more refined ,lighter,and fashionable. the thickness of lamp body is only 28cm1)Frequency:50/60HZ ... on your requirement.2)many design of the T8 lighting fixture with 18W,2×18W,1×36W,2×36W,2×58W3)magnetic ... &high effect, Low watt startup7)large quantity of exports CW.A 1*36/40WLighting Fixtures(lighting batten)