The Monorail 12V Circle Kit 300W Remote Magnetic by Edge Lighting Pre-Bent Monorail 12 Volt Circle Kit with 300 Watt Magnetic Remote Transformer is available in a 24, 36, 48, 60, 72, 84, 96, 108 and 120 inch diameter. Finish in Satin Nickel, Antique Bronze or Polished Nickel. Kit includes a 300 watt 12 volt remote magnetic transformer, 4 inch round power feed canopy, circle of pre-bent Monorail, 1 inch standoffs for every three feet of rail, and conductive and isolating connectors. Remote transformer needs to be located in an accessible area in close proximity to the power feed canopy. Dimmable with a 600 watt low voltage magnetic dimmer, sold separately. Fast Jack 12 volt pendants and heads available, sold separately.