The AirMulti dryer is controlled by a microprocessor that allows multi-voltage installation. The dryer automatically adjusts itself to all power conditions, from 100 - 240 V, so you have only one unit to stock. The compact and modern design of the AirMulti complements any washroom decor. Its die-cast aluminum cover and tamper-proof screws prevent vandalism and ensure durability. With an ultra-quiet brush motor, the AirMulti hand dryer is ideal for light to medium traffic facilities where quiet unit operation is desired. Automatically adjusts itself to all power conditions, from 100 to 240 V 76 dBA with hands sound level Helical coil nickel-chromium alloy wire protected by mica insulator