Radionic EL75HA Halogen Power Supply: Use with (1), (2), or (3) 20W Input Voltage: 120 VAC, 60 Hz. For Use with 20 Watt Halogen Bulbs (1, 2, or 3), 75 Watt Max UL Listed CSA, CE, and CUL Safety Tested Replaces discontinued models EL75HB and EL75HS