Photoelectric Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Retroreflective Polarized Sensor; Sensing Range - 12 ft. (3.5m); Voltage - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN; Connection Type - Connector, 5-pin Pico Pigtail; Connection Size - M8x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Beam Type - Visible Red; Response Time - 2ms; Material - ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70degC (-4 to 158degF)