FeaturesAttaches electrically and mechanically anywhere along Power-Tracâ„¢Visual polarity line assures proper grounding, 2-position conductors allows use in single circuit and either circuit of two circuit trackStem allows lampholder to rotate 338 deg and adjust vertically from 0 to 90 degFor use with a large variety of R and PAR lamps6 in maximum extensionDesigned for use with a large variety of R and PAR lamps