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 according to your preference. When it comes to maintenance, remember to check the HEPA filter regularly. If it gets dirty, you can access it in the separate chamber and replace it without having to disconnect the dryer. Make sure the dryer is plugged into a 208 - 240 Volt power supply. Avoid using sharp objects to touch the dryer to prevent damage. And with the 5 - year warranty, you don't have to worry too much about potential issues.