This switch features a low-friction ball switching design which has proven itself hundreds of millions of times. Sleek design with semi-gloss surface, wear-resistant print and a well-defined switching point make this switch perfect for all applications. Notch mounting for installation in wall thicknesses of 0.75-3mm makes fitting the switch easy. Tolerance compensation gills on the switch ensure a tight fit when installed. Caulked connectors ensure safe connections and a solid fit.