Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Diffuse Reflective; Sensing Range - 2" (50mm); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN; Connection Type - Connector, 4-pin Pico; Connection Size - M8x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 1ms; Beam Type - Visible Red; Material - ABS; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,6,12,13; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 55degC (-4 to 131degF)