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10/5pcs 5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
Quick answer
Is $4.50 a good price for 10/5pcs 5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For…?
It is the usual price, not a deal: $4.50 is in line with the typical price of $4.50 that DipScout measured over the last 12 days. It is the lowest in 12 days, but it has held this price since Nov 3, 2026.
$4.50
Today it costs $4.50 on AliExpress. Since Oct 29, 2026, when we started tracking it, it ranged from $4.50 to $4.84. It's the lowest price in 12 days, but it has been at this value since Nov 3, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 12 days. The store advertises "was $4.84", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$4.50on Nov 7
Lowest$4.50Nov 3 to Nov 7
Highest$4.84Oct 29 to Nov 2
Tracked since Oct 29 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 3, 20:37 UTC | $4.50 | −2% |
| Nov 2, 01:14 UTC | $4.60 | −5% |
| Oct 29, 20:10 UTC | $4.84 | start |
| Store | Hornaxy Electronic Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 3 |
| First seen | |
| Last reading |