The QS30LD is a long-range laser diffuse photoelectric sensor from the QS30 series, featuring a detection range of 400mm. It operates with a 10-30 VDC input and provides bipolar output with 1 NPN and 1 PNP configuration. The sensor comes with a 2M (6.5 FT) cable and is classified as a Class 1 laser device (model 70230).