Photoelectric Sensors (Thru-Beam, Block Style Receiver): Sensor Type - Photoelectric Beam Receiver; Sensing Range - metric - 20m; Sensing Range - standard - 66ft; Voltage - 10-30VDC; Output Configuration - NPN; Connection Type - Connector, 4-pin Pico; Connection Size - M8x1; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 750s On/375s Off; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Material - ABS; Temperature Rating - -20 to 70degC (-4 to 158degF); Manufacturer Series - World-Beam QS18 Series