With a photoelectric proximity switch, all you need to do is to set its point of reference. It functions by projecting an invisible infrared light beam. A receiver is then used to investigate changes in the pattern of light when something object interrupts said beam. Main functions: this switch is used for detecting part positions, counting, and safety guards in automated environments. The technological aspects this switch boasts include the fact it is able to adjust sensitivity levels, is able to withstand in the environment of such contaminants as salt-spray gases and also works perfectly over a wide range of temperatures. Such design makes it ideal for use in many diverse industries such as manufacturing, logistics and packaging, where being able to detect objects accurately is essential.