Using this hand dryer is simple. Just place your hands under the dryer, and it will automatically start. You can adjust the air temperature and speed according to your preference. When it comes to maintenance, check the HEPA filter regularly. It's easy to access and replace. You don't need to disconnect the dryer to do this. Keep the dryer clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. If you encounter any problems, refer to the warranty information for support.