Coolmax Technology is a rapidly growing company that was founded in the year 1992. Its initial task of providing cooling solutions for electrical and industrial applications using AC and DC voltage fans is its solid foundation.PRODUCT FEATURES:PFC 0.98@115VAC, 0.95@230VAC;With +5VSB:0~2.0A Max;100-132V / 200-264V Auto sensing;Frequency 47~63Hz;Built in EMI filter;Built-in long life Ball-bearing cooling FAN;Compact size, light weight;Over voltage/ Over load protection;Short circuit protection on each channel;Efficiency >65% at full load;Meet FCC part 15 Class B, CISPR 22 Class B.