Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 20ft (6m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN/PNP; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Response Time - 2ms; Beam Type - Visible Red; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -40 to 70degC (-40 to 158degF)