This document introduces the features and characteristics of the E3Z series photoelectric switches, including models such as E3Z-L, E3Z-B, E3ZM, E3Z-G, E3T, E3S-C, E3G, E3S-CL, and E3Z-LS. The E3ZM model features a stainless steel housing, making it suitable for the food industry with its hygienic, robust, and washable design. The E3Z series products are widely used in various fields such as information technology and the food industry.