Features: * Polycarbonate casing and matching polycarbonate arm * Attaches electrically and mechanically anywhere along track * Deep drawn steel lamp housing with vents in rear * Die cast aluminum black baffle with lamp retention spring pulls out for re-lamping * Uses 12 volt MR16 lamps, 50 watt maximum * UL/CSA listed for use with Halo and Lazer-by-Halo track and track systems * 2-1/2 in. width x 3-7/8 in. depth, 6-3/4 in. maximum extension What"s In The Box: * Cooper Lighting LZR000406P 12-Volt Track Step-Cylinder