Halogen Transformer, 50 to 150 Power Output, 11.8 Output Voltage, 12.56 Output Current (Amps), Ambient Temp. Range 0 to 50 Degrees C, 120 Input Voltage, 1.25 Input Current, 150 Input Power, 0.98 Power Factor, Length 9-1/3, Width 1-4/5, Height 1-2/5, Environmental Rating Dry Location, For Use With Halogen, Standards RoHs Compliant, UL Listed.