The BES5163040I02CS4003 (BES019T) is a compact photoelectric sensor with dimensions of 25 x 5 x 5 mm, featuring a 5x5 housing style designed for flush mounting. It offers a detection range of 0.8 mm with PNP normally open (NO) switching output, operating at a switching frequency of 3000 Hz. The housing is constructed from anodized aluminum, while the sensing surface is made of PBT material.