Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Convergent; Sensing Range - 1.5" (38mm); Voltage Range - 24-240VAC; Output Mode - Light/Dark Operate; Output Configuration - SPST 2W Relay; Connection Type - Connector, 3-pin Mini; Connection Size - 7/8-16UN; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 4ms; Material - Thermoplastic; Beam Configuration - 0.06" Dia. at 1.5" (1.5mm at 38mm); Enclosure Rating NEMA - NEMA 4X; Enclosure Rating IEC - IEC IP66; Temperature Rating - -4 deg. to +158 deg. F (-20 deg. to +70 deg. C)