Using this hand dryer is super easy. Just place your hands under the dryer, and it'll start working right away. You can adjust the speed according to your needs using the two - speed motor controls. As for the maintenance, make sure to clean the dryer regularly to keep the HEPA filter in good condition. Also, check the power connection often to ensure the global universal voltage works properly. Avoid using sharp objects to touch the dryer, as it might damage the surface or internal parts. And that's it! With proper use and care, this hand dryer will serve you well for a long time.