Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Voltage Range - 10-30VDC; Output Mode - Light Operate; Output Configuration - NPN; Construction Style - Miniature Rectangular; Sensing Position - Side; Response Time - 2ms; Beam Type - Visible Red; Material - ABS; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70 degC (-4 to 158 degF)