The PSB-100W-24VDC-2XK Class 2 LED Power Supply accepts input voltage in a range of 120-277 volts AC and outputs 24 volts DC power up to 100 watts. The integrated Tunable White driver receives signals from CDMX1-2XK to control Tunable White color mixing and light intensity. Features short circuit and overload protection. For indoor applications only. To avoid overheating the power supply, install it in a ventilated remote location where air flows. Maintain proper spacing among power supplies when multiple power supplies are installed in the same remote location. Power Input: 120-277VAC, 50/60Hz. Power Output: Class 2, 24VDC, 4.16A at 100 watts maximum. Compatible Controllers: Tunable White Touch Controller (CDMX1-2XK), sold separately.