Schurter. Anyone who wants to light up their swimming pool or sprinkle it with music, anyone who wants to make their whirlpool bubble with a tingling sensation needs a switch to activate these functions. Switches are available on the market in an almost unmanageable variety of shapes, colours and technologies. Let's take a look at the most important technologies.The most widely used technology is that of mechanical switches with stroke. We encounter them every day, for example when we switch the light on or off. They are characterised by a rich pressure point, high reliability and an enormously wide range of products.