LED power supplies transform and regulate power from a line voltage power source into low voltage power for use with LED lighting. The PS-30-12VDC power supply accepts input voltage ranging from 100-130 volts AC and outputs 12 volt DC power up to 30 watts. The low voltage output of this power supply may be dimmed using an Osram Sylvania, OT-DIM module (sold separately). Can be used indoor or outdoor. 8.5W x 1H x 1.45L.