The Effects Master Energy II Series by Wildfire features twin lamps high efficiency universal voltage (120-277V/50-60Hz) electronic ballasting and polished Everbrite reflectors for maximum output and greater energy efficiency. Perfect for those installations that require a larger number of fixtures per curcuit, or applications where you don't need the output of the Standard or Deluxe Effects Master models but still want a great effect. Made in the USA. UL Listed. Lamps sold separately.