The ALLEN BRADLEY 42GRU-9202-QD is a polarized photoelectric sensor with a standard ON/OFF function, featuring an acrylic lens. It operates at 40/264 VAC/DC, with a detection range of 50.8 mm/4.87 m and a response time of 15 ms. The sensor comes with a 5-pin mini connector. Note that the original factory warranty does not apply, but it includes a 2-year warranty from RADWELL.