Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Reflex; Sensing Range - 2.0"-5.9" (50-150mm); Voltage Range - 15-30VDC; Connection Type - Connector, 5-pin Euro; Connection Size - M12x1; Construction Style - Compact, Rectangular; Sensing Position - Side; Response Time - 4ms; Beam Type - Visible Red; Material - ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - 14 deg. to 131 deg. F (-10 deg. To +55 deg. C)