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10pcs 10mm IR LED Emitting Diode 850nm Infrared Light Lamp Phototransistor Photodiode DIY Transmitter Emitter Micro PCB Circuit

USD 3.65USD 5.22

10pcs 10mm IR LED Emitting Diode 850nm Infrared Light Lamp Phototransistor Photodiode DIY Transmitter Emitter Micro PCB Circuit

Description
Specification
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