Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Convergent; Sensing Range - 0.31"(8mm); Voltage Range - 24VDC; Output Mode - Light Operate; Output Configuration - NPN; Connection Type - Terminals; Construction Style - Rectangular; Sensing Position - Side; Response Time - 0.8ms; Beam Type - Infrared; Material - Polycarbonate; Temperature Rating - -10 to 55 deg C(14 to 131 deg F)