Using this hand dryer is easy. Just place your hands under the dryer, and it will start working. You can adjust the speed according to your needs. When using it, make sure your hands are not too wet as it may affect the drying efficiency. For maintenance, clean the exterior regularly with a soft, damp cloth. Don't use abrasive cleaners. Check the HEPA filter periodically and replace it when it gets dirty. Keep the dryer in a dry environment to prevent any electrical issues.