Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective; Sensing Range - 4.9ft (1.5m); Voltage Range - 10-30VDC; Output Mode - Dark Operate; Output Configuration - NPN/PNP; Connection Type - Cable; Connection Size - 9m (30 ft); Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 700s; Beam Type - Visible Red; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 55degC (-4 to 131degF)