BLDC AC DC fan control card PCB circuit board with RF remote 40Watts for ceiling fan 24V RF universal low voltage remote board Support all kind of blades (1400mm, 1200mm, 1050mm, 900mm and 600mm blades) Support 16 pole, 12 pole and 10 pole magnet (support 18 slot, 12 slot, 9 slot…..) high power factor (>0.97) Highest surge protection (>5KV) working at 170 Volt AC to 285 Volt AC speed 6-30 watts (up to 400RPM） speed 7-40 watts (more than 400RPM)