[Salon Quality & User Friendly Design]ONLY for countries with US plug 110V-120V/60HZ, NOT for those with plug 220V -240V.professional nail dryer for regular polish is with spacious space which great able to hold both hands and feet .[Optional Warm & Cool Air]This drying quickly nail polish dryer has 2 air modes: warm and cool. Whether summer or winter, you can use this nail air dryer as your go-to manicure partner.[Intelligent Dual Sensor]The fan nail dryer controlled by automatic sensors. Sensor detection allows the nail polish dryer machine to turn on automatically when you put your hand inside the fan. Tips: Please keep your hands being covered above the sensor to let it work normally.[Safe to Use] Unlike nail lamps, this air nail dryer for regular polish will not black your hands or flash your eyes, it will not harm your skin, you will feel comfortable all the nail art process.[Best for Regular Nail Polish ] This air nail dryer is for nail polish, dip powder, nail primer, nail bond primer, nail dehydrate, bond prep polish and so on, not for any gel polish or extension gel.