Omron E2B-M30KS10-WP-B2 is a two-meter straight-line photoelectric sensor with a built-in amplifier. It features a retro-reflective mode, using a sensing range of 10-250 mm. It is designed with a surge protection of 200 V, reverse polarity protection, and IP 67 protection rating. It can be used in a wide range of conditions, including water and steam, as well as in dusty and dirty conditions. It also allows for simple wiring and installation.