Freejack Port Alone can be installed in a range of locations where access to back of ceiling is not needed. Mounts to special cylindrical 1.5 inch diameter x 2.5 inch deep junction box included. Finish available in Antique Bronze, White or Satin Nickel. Can be mounted to ceiling or wall. If wall mounting, head should be no longer than 6 inches. ETL listed. For use with Tech Lighting Freejack low voltage LED or halogen pendants or heads, sold separately. Requires remote transformer, sold separately.