These ballasts provide a high power factor and a pre-heat circuit to ensure consistent lamp starting in low temperature applications. Precision control flicker-free operation improves overall reliability, lamp life, and maximum light output and an auto-safety latch circuit provides lamp safety and protection. Other features include universal voltage, a PCB-free environmentally responsible design, and>10% THD for electronically-sensitive environments. Ice Horse meets ANSI C61.42-7 strikes and EN6100-4-5 safety requirements and has a minimum operating temperature of -22° F (-30° C), along with a maximum case temperature of 167° (90° C). 3 Year Limited Warranty.