Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective; Sensing Range - 15ft (4.6m); Voltage Range - 24-240VAC; Output Mode - Light/Dark Operate; Output Configuration - SPDT EM Relay; Connection Type - Connector, 5-pin Micro AC; Connection Size - 1/2-20UNF; Construction Style - Rectangular, Threaded Base; Sensing Position - Side; Response Time - 20ms; Beam Type - Visible Red; Material - Thermoplastic; Enclosure Rating NEMA - NEMA 1,2,3,3S,4,4X,12,13; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 55degC (-4 to 131degF)