Using your ASI 0196-1-41 TURBO-Pro hand dryer is a breeze. Just place your hands under the dryer, and it will automatically start working thanks to its touch-free operation. You can adjust the air speed and heat according to your preference using the on - off switch. When it comes to voltage, make sure to choose the appropriate one for your area (either 110 - 120V or 220 - 240V). For maintenance, regularly check and clean the removable HEPA filter to keep the dryer performing at its best. Since it's surface - mounted, be careful not to apply excessive force to the unit. And remember, this hand dryer is approved by Underwriters Laboratories, so you can rely on its safety and quality.