Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Background Cutoff; Cutoff - 2 in (50mm) Cutoff; Voltage Range - 10-30VDC; Output Configuration - NPN; Connection Type - Connector, 4-pin Euro; Connection Size - M12x1; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Response Time - 850s; Beam Type - Visible Red; Material - ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70degC (-4 to 158degF)