The BES M18MG-GSC70B-BP00,3-GS04 (BES006C) is an M18x1 threaded photoelectric sensor with Ø18x46mm dimensions, designed for flush mounting. It features a 7mm sensing range, polarized normally open (NO) switching output, and operates at 600Hz frequency. The housing is constructed from nickel-free coated brass, ensuring durability in industrial environments.