1,Range Hood Control Panel 2,Three speed 3,110v & 220v for your choice 4, ... ,110v & 220v for your choice2,Three speed1,Range Hood Control Panel Input Voltage / Frequency220 V 50 Hz / 110V 60 HzSpeedSlow,Middle ... buttonsDisplaybutton Indicator LightFunctions:Power on/off, light on/off,motor fast,motor middle & motor slowly.OEM & ODM services offer,we can make changes ...