Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective; Sensing Range - 39ft (15m); Voltage Range - 102-132VAC; Output Mode - Light/Dark Operate; Output Configuration - DPDT Relay; Connection Type - Terminals; Construction Style - Rectangular; Sensing Position - Right Angle; Response Time - 20ms; Material - Plastic; Enclosure Rating NEMA - NEMA 3,4,12,13