This 300 watt 12 volt remote LED electronic transformer converts standard 120 line voltage to 12 volts, providing the necessary voltage for powering a Monorail, Kable Lite, Wall Monorail or Freejack low voltage lighting system. Can be used to power lamps totaling up to 300 watts. This transformer is equipped with fast-acting short circuit and overload protection that will safely turn off the system should a short occur. Once the short is removed, the unit can be reset by simply flipping the wall switch off and back on. Transformer must be installed in a remote, but accessible location such as above the ceiling or in a closet, and should be located no more than 20 feet from the required single feed power feed, sold separately. ETL listed. 8.5 inch length x 3.5 inch width x 2 inch height.