CM18-12NNP-EW1 is a Sick optical sensor designed for sensing objects in packaging, sorting, and assembly tasks. It has an 18 mm background suppressor and 12 mm sensing range. It is equipped with a stainless steel CM18 housing and a NNP plastic optical face plate. This sensor has a high signal-to-noise ratio, a fast response time, and a E2-type connection cable with a waterproof wiring.