Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Convergent; Sensing Range - 1.7" (43mm); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN/PNP; Connection Type - Connector, 4-pin Micro DC; Connection Size - M12x1; Construction Style - Compact, Threaded Nose 18mm; Sensing Position - End; Response Time - 1ms; Beam Type - Visible Red; Material - Thermoplastic; Beam Configuration - 0.12" Dia. at 1.7" (3.0mm at 43mm); Enclosure Rating NEMA - NEMA 4X,6P; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70degC (-4 to 158degF)