The Scroll Wheel (Top Panel) module has been designed to be installed into the front face of a panel using snap features integrated into the plastic housing. It is a high specification human interface device that provides the same scroll, pan, and middle switch functionality found in scroll wheels installed in commercial desktop mice, along with various other customizable options. Utilizing reliable non-contacting Hall effect technology, the scroll wheel provides environmental protection up to IP68, ensuring continued operation even when exposed to the most extreme environments.