Photoelectric Sensors (Background Rejection, Block Style): Type - Photoelectric Retroreflective Polarized; Sensing Range - 55.75ft (17m); Voltage Range - 12-240VAC/DC; Output Mode - Light/Dark Operate; Output Configuration - SPST Relay; Connection Type - Cable Gland; Connection Size - M16x1.5; Construction Style - Rectangular; Sensing Position - Side; Response Time - 20ms; Material - ABS; Beam Configuration - 2 deg FOV; Enclosure Rating IEC - IEC IP67