CR315PEH5 Thru Beam Light Source Head - Light or Dark Operate, CR315PEF04B Light Source Power Supply 90-132VAC 10VA AC Emitter Driver (UL CSA), CR315PER1 Receptacle. Sensing Distance: Thru-Beam up to 100-feet/31meters. Retroreflective 3" Target Up to 30-feet. Direct Detection 4.5-feet. Polarized Retroreflective 3" Target Up to 18-feet. Has an alignment LED.PLUG-IN PHOTOELECTRIC SENSOR TRANSMITTER HEAD 132/92V with spex Learn More