4000W High-power Adjustable Voltage Regulator AC220V/AC110V Dimmer Speed Temperature Light Compact Variable Voltage Controller
Quick answer
Is $18.79 a good price for 4000W High-power Adjustable Voltage Regulator AC220V/AC110V Dimmer…?
It is the usual price, not a deal: $18.79 is in line with the typical price of $18.49 that DipScout measured over the last 6 days. Tracked since Oct 21, 2026, it ranged from $18.45 to $18.79.
$18.79
Today it costs $18.79 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $18.45 to $18.79. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 6 days. The store advertises "was $40.71", 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
Today$18.79highest ever seen
Lowest$18.45Oct 21 to Oct 22
Highest$18.79since Oct 26
Tracked since Oct 21 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 26, 11:03 UTC | $18.79 | +2% |
| Oct 22, 06:44 UTC | $18.49 | +0.2% |
| Oct 21, 02:50 UTC | $18.45 | start |
| Store | Diymore ElectroHub Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 3 |
| First seen | 10/21/2026 |
| Last reading | 10/26/2026, 12:46:11 PM UTC |