The approach photocell is a product that switches when something approaches without requiring hand contact. It is both practical and hygienic. With these features, it can be easily used in many areas, especially in hospitals. Detection sensitivity can be adjusted between 5cm and 50cm. Operating voltage is 12 “ 24V AC/DC. When you need to operate more than one photocell side by side in your application; you need to position the jumper group on the YF card, indicated by the names JMP 3 “ JMP 4, correcty so that the signals of the photocells do not affect each other.