Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Convergent; Sensing Range - 1.5" (38mm); Voltage Range - 24-250VAC; Output Mode - Light/Dark Operate; Output Configuration - SPST Solid State 2W; Connection Type - Connector, 3-pin Mini; Connection Size - 7/8-16UN; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Response Time - 4ms; Beam Type - Infrared; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,12,13; Enclosure Rating IEC - IEC IP66; Temperature Rating - -20 to 70degC (-4 to 158degF)