20Pcs 3Mm 5Mm Ir Led Emitting Diode 850Nm 940Nm Emitter Receiver Infrared Transmitter Phototransistor Photodiode Invisible Diy

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20Pcs 3Mm 5Mm Ir Led Emitting Diode 850Nm 940Nm Emitter Receiver Infrared Transmitter Phototransistor Photodiode Invisible Diy

20pcs 3mm 5mm IR LED Emitting Diode 850nm 940nm Emitter Receiver Infrared Transmitter Phototransistor Photodiode Invisible DIY
2,59$ Vedi