Measuring just 4 x 6 x 45 mm, Series FHDK 04 can detect glass, plastic, foil, and other high-gloss targets at distances of 30 and 50 mm. Self-contained units, impervious to dirt, object color, and surface characteristics, are designed to mount inside channel of 80/20 extrusion frames. Offered in cable and M8 models, several sensors can operate in close proximity without any optical interference. They support IO-Link communication and offer NPN and PNP output.