The sleek design of the fan blades is not the only thing good about them. The high efficiency of these 18-inch long blades is not to be missed. The heavy-duty motor used in HDF-1820 functions on a single phase power supply of alternating current 230V~50Hz and a power supply of 130 watts. Binatone makes sure that it incorporates the latest technologies to all its products in order to make your life easier. Keeping that in mind, the innovators at Binatone have equipped HDF-1820 with an adjustable swivel and height. Therefore, making you able to enjoy the high air delivery at all heights.