1,Range Hood Control Panel 2,Three speed 3,110v & 220v for your choice ... button3,110v & 220v for your choice2,Three speed1,Range Hood Control Panel Input Voltage / Frequency220 V 50 Hz / 110V 60 HzSpeedSlow ... on/off,motor fast,motor middle & motor slowly.OEM & ODM services offer,we can make changes according to our customers will ...