Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 6m (20ft); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - PNP; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Rectangular, Threaded; Sensing Position - Side; Response Time - 3ms; Beam Type - Visible Red; Material - PBT Polyester; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -40 to 70degC (-40 to 158degF)