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4000W AC 0-220V SCR Electric Voltage Regulator Motor Speed Controller Dimmers Dimming Speed With Temperature Insurance
Quick answer
Is $3.75 a good price for 4000W AC 0-220V SCR Electric Voltage Regulator Motor Speed…?
Too early to tell: DipScout has tracked this price for 2 days, and comparing it with a typical price takes at least 7 days. Tracked since Nov 9, 2026, it ranged from $3.49 to $3.75.
$3.75
Today it costs $3.75 on AliExpress. Since Nov 9, 2026, when we started tracking it, it ranged from $3.49 to $3.75. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 2 days; confirming a drop takes at least 7 days. The store advertises "was $3.96", 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$3.75highest ever seen
Lowest$3.49on Nov 9
Highest$3.75since Nov 9
Tracked since Nov 9 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 9, 16:16 UTC | $3.75 | +7% |
| Nov 9, 07:09 UTC | $3.49 | start |
| Store | Stlxy Official Store |
|---|---|
| Positive feedback (AliExpress) | 88.2% |
| AliExpress category | Home Improvement › Electrical Equipment & Supplies |
| Recorded readings | 2 |
| First seen | |
| Last reading |