10 Pairs 3MM 5MM 940nm Infrared IR LED Emitter & Receiver Diode Pairs US SHIP
Wavelength: 940NM. 3MM/5MM Infrared Emitter and IR Receiver Diodes. 10 SetEmitter and IR Receiver (3mm/5mm AS YOUR CHOICE).
Wavelength: 940NM. 3MM/5MM Infrared Emitter and IR Receiver Diodes. 10 SetEmitter and IR Receiver (3mm/5mm AS YOUR CHOICE).