The QS30LLPC is a low contrast laser polar retro-reflective photoelectric sensor from Banner Engineering's WORLD-BEAM QS30 series, featuring a detection range of 0.2-18 meters. It operates with 10-30 VDC input voltage and provides both NPN and PNP bipolar outputs. The unit comes with a 2-meter (6.5 ft) cable (part number 71377).