10 Pcs 5/16" Slot PCB Photo Interrupter Slotted Optical Sensor Switch HY860H

10Pack 5/16" Slot PCB Photo Interrupter Slotted Optical Sensor Switch HY860H-A

10PCS IR Infrared Sensor Module Slotted Optical Optocoupler Speed Measuring Sens

10 Pcs 3/16" Slot PCB Photo Interrupter Slotted Optical Sensor Switch HY505

10 Pcs 25/64" Slot PCB Photo Interrupter Slotted Optical Sensor Switch HY810A

10PCS IR Infrared Sensor Module Slotted Optical Optocoupler Speed Measuring Sens

5X 1/6" Slot PCB Photo Interrupter Slotted Optical Switch H92B4""LNWUSHH

10 Pcs 1/8" Slot PCB Photo Interrupter Slotted Optical Sensor Switch HY870P