Polarized Retro-reflective Photoelectric Sensor, Range 6000mm, red polarized modulated light 660nm, Power Supply 10.8-264VDC&21.6-264VAC, Relay SPDT, NO+NC, Light and Dark Switching, 2 m cable Specifications Rated operating distance 6000 mm Output type Relay contact Output function Change-over contact (NO/NC) Connection Type Cable Housing style Rectangular Housing Material Plastic Type of light Polarized red light Sensing mode Light-/dark switching Degree of protection IP67 Rated Operetional voltage UB at DC 10.8 V ... 264 V