Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 18.3ft (5.6m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Connection Type - Connector, 5-pin Euro; Connection Size - M12x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 0.5ms; Beam Type - Visible Red; Material - Die Cast Zinc; Enclosure Rating IEC - IEC IP67; Temperature Rating - -40 to 60degC (-40 to 140degF)