Through-beam Photoelectric Emitter, Range: 20000mm, Adjustable Sensitivity, Infrared modulated light 880nm, Power Supply 10.8-264VDC&21.6-264VAC, Relay SPDT, NO+NC, Terminals, IP67. 1/2 Specifications Rated operating distance 20000 mm Output type Other Output function Other Connection type Screw connection Housing type Rectangular Housing Material Plastic Type of light Infrared light Sensing mode Light-/dark switching Degree of protection IP67 Rated Operational voltage UB at DC 10.8 V ... 264 V