High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe Test Pen Car Tools
$3.89
Today it costs $3.89 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $3.69 to $3.89. 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 $7.63", 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$3.89highest ever seen
Lowest$3.69Oct 21 to Oct 22
Highest$3.89since Oct 22
Tracked since Oct 21 · 3 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 22, 12:33 UTC | $3.89 | +5% |
| Oct 21, 18:37 UTC | $3.69 | −5% |
| Oct 21, 18:29 UTC | $3.89 | +5% |
| Oct 21, 12:16 UTC | $3.69 | start |
| Store | Shop1103950392 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 4 |
| First seen | 10/21/2026 |
| Last reading | 10/22/2026, 6:36:31 PM UTC |