3mm 5mm IR LED Emitting Diode 850nm 940nm Emitter Receiver Infrared Transmitter Phototransistor Photodiode Invisible DIY PCB
$3.49
Today it costs $3.49 on AliExpress. Since Oct 22, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 3 days.
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Price history
$3.49
We started tracking this price on Oct 22. The chart takes shape over the days: we only draw prices we observed.
| Store | YUNJU2019 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Lights & Lighting › Lighting Accessories |
| Recorded readings | 1 |
| First seen | 10/22/2026 |
| Last reading | 10/22/2026, 3:32:32 PM UTC |