Quick View OPB841W55 Optical Sensor Through-Beam 0.125" (3.18mm) Phototransistor Module, Pre-Wired $8.99 Add to Cart
Quick View HOA6990-T51 Optical Sensor Through-Beam 0.125" (3.18mm) Module, Wire Leads $29.99 Add to Cart
Quick View EE-SV3 Sensor Optical Through-Beam 0.134" (3.4mm) Phototransistor Module, Connector, Slot Type $8.99 Add to Cart