4000W High-power Adjustable Voltage Regulator AC220V/AC110V Dimmer Speed Temperature Light Compact Variable Voltage Controller
$18.49
Today it costs $18.49 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $18.45 to $18.49. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days. The store advertises "was $40.69", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressAffiliate link: we earn a commission on completed purchases, and the price is the same with or without our code. The price above is the last recorded reading, not a live checkout lookup.
Price history
Today$18.49highest ever seen
Lowest$18.45Oct 21 to Oct 22
Highest$18.49since Oct 22
Tracked since Oct 21 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| 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 | 2 |
| First seen | 10/21/2026 |
| Last reading | 10/22/2026, 6:41:06 PM UTC |