Using this hand dryer is easy. Just place your hands under the dryer, and the infrared sensor will detect them and start the drying process. You can customize the air speed and temperature according to your preference. When you're done, simply remove your hands, and the dryer will turn off automatically after a short time. For maintenance, regularly clean the stainless - steel cover with a soft cloth to keep it looking new. Avoid using abrasive cleaners. Also, check the power supply regularly to ensure it's working properly. If there are any issues, don't try to fix it yourself but contact a professional.