Hailege 20 x 5 mm 940 nm LEDs Infrared Emitter and IR Receiver Diode for Arduino 5 mm Infrared 10 Emission + 10 Receiver Tube (Pack of 10 Pairs) sold2024 Martin Guitar Cleaner Polish is

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Hailege 20 x 5 mm 940 nm LEDs Infrared Emitter and IR Receiver Diode for Arduino 5 mm Infrared 10 Emission + 10 Receiver Tube (Pack of 10 Pairs) sold2024 Martin Guitar Cleaner Polish isHailege 20 x 5 mm 940 nm LEDs Infrared Emitter and IR Receiver Diode for Arduino 5 mm Infrared 10 Emission + 10 Receiver Tube (Pack of 10 Pairs) Description: 10 x 5 mm infrared emission tube. 10 x 5 mm infrared receiver tube. Total 20 pieces. Box contents: 10 x 5 mm infrared emission tube. 10 x 5 mm infrared receiver tube Product Features 5mm infrared emission + receiver tube 5 mm 940 nm LEDs infrared emitter and IR receiver diode Wavelength: 940nm;