Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Background Cutoff; Cutoff - 3.9 in (100mm) Cutoff; Voltage Range - 12-24VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Rectangular; Sensing Position - Side; Optimum Range - 1.18"-3.9" (30mm-100mm); Response Time - 1 ms; Beam Type - Visible Red; Material - Metal; Enclosure Rating NEMA - NEMA 4X,6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)