The FSJ 12v Track Adapter to fit Halo and Juno LED by LBL Lighting allows Fusion Jack LED elements to be track-adapted. Fits Lightolier single-circuit track. 60W 120V IN/12V LED OUT electronic transformer housed in black or white casing. Female Fusion Jack port installed. Order elements as FSJ. The FSJ 12v Track Adapter to fit Halo and Juno LED is a crafted solution for your lighting needs.