Using this hand dryer is easy. Just place your hands under it, and it will start automatically. To adjust the air temperature and speed, use the controls on the dryer according to your preference. When it comes to maintenance, remember to replace the HEPA filter regularly. You can access the filter in its separate chamber without having to disconnect the dryer. Keep the dryer clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals on it. If you encounter any problems, refer to the 5 - year warranty for support.