PZEM 004T 4.0 Version Single Phase Wattmeter Kwh Meter TTL Modbus-RTU 220V 100A Electricity Volt Amp Frequency Energy Meter
$21.12
Today it costs $21.12 on AliExpress. Since Oct 23, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 3 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$21.12
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | peacefair Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/23/2026, 2:06:46 AM UTC |