In summary, Omron Industrial Automation E3Z Photoelectric General-Purpose Sensors offer excellent performance in a compact (31 mm height x 10.8 mm width x 20 mm depth) plastic housing. Omron E3Z Photoelectric Sensors feature a high-power LED that allows optimum detection over long distances (up to 30 m) or in dirty or dusty environments. The series provides high noise immunity against interference from inverters and other inductive loads. All E3Z plastic models are rated IP67 and tested to withstand 1,200 psi washdown applications.