20" Long Accent Light Strips 1/2" x 1/2" brass-finish channels with clear 1-1/8" x 3/4" mounts Accent Light Strip This 1/2" x 1/2" brass-finish channel with clear 1-1/8" x 3/4" mounts on the ends, a 4-1/2-foot black power cord with a two-prong plug, and "crimp-on" in-line rotary power switch that you position, has tiny (grain-of-barley?) incandescent bulbs inside and one clear side. It&#39;s designed as accent lighting for bookshelves and under counters to highlight collectibles and art. It&#39;s 20" long with (10) bulbs and should be mounted in a horizontal position only. 120 volts.UL