The PZ series anti-vandal switch has no moving parts! The piezo switch operates with momentary pulse function and provides an astonishing 50,000,000 cycles electrical life, in-house tested IP68 for dust and moisture protection, two sizes 19mm and 22mm diameter, non-illuminated or RGB ring illumination and standard wire lead termination 150mm long or 300mm long. Contact the Hofstetter Company to learn about applications and order a sample.