OPTICAL SENSOR
acntgbnlfresd.pdfSpecifications:contact rating: 3A/120VAC/30VDC lifetime: ± 100 000 actions range: 0.3 ft 1 relay output (NO/NC) operating temperature: -4 °F ~ 131°Fdimensions: 4 17/32" x 2 3/4" x 1 7/64"weight: 0.19 oz