Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 39.3ft (12m); Voltage Range - 10-30VDC; Output Mode - Dark Operate; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 1ms; Beam Type - Visible Red; Material - Plastic; Enclosure Rating IEC - IEC IP67; Temperature Rating - -30 to 55degC (-22 to 131degF)