Photoelectric Sensors (Reflex-Reflective, Block Style): Type - Photoelectric Retroreflective Sensor; Sensing Range - 4.9ft (1.5m); Voltage - 10-30VDC; Output Mode - Light Operate; Output Configuration - NPN/PNP; Connection Type - Connector, 4-pin Pico Pigtail; Connection Size - M8x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Beam Type - Visible Red; Response Time - 700s; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 55degC (-4 to 131degF)