Using this hand dryer is easy. Just place your hands under the dryer, and it will automatically start. You can adjust the air temperature and speed to your preference using the controls. When it comes to maintenance, check the HEPA filter regularly. It's easy to replace; just open the separate chamber where the filter is housed. There's no need to disconnect the dryer. Also, keep the dryer clean by wiping it with a soft, dry cloth. Remember to follow all safety instructions and don't use the dryer if it's damaged.