Emarter
2 Pack Watt Meter Power Meter Plug Home Energy Monitor Electricity Usage Monitor, Electrical Usage Monitor, Energy Voltage Amps Meter Tester with Backlight, Overload Protection, 8 Display Modes
$18.99
Price accurate as of Jul 27, 2026. Check current price on Amazon.
See Price on AmazonThis item is priced 82% below the 107,945-product Industrial & Scientific average of $103.96, and rated above the category's 4.4-star average.
Specifications
| Category | Industrial & Scientific |
|---|---|
| ASIN | B0CMD7Y6P8 |
| Listed Since | Jul 11, 2026 |
Price History
Checked 23 times, trending flat — a real price history, not a one-time listing.
| Date | Price |
|---|---|
| Jul 27, 2026 | $18.99 |
| Jul 26, 2026 | $18.99 |
| Jul 25, 2026 | $18.99 |
Best-Seller Rank History
Amazon's own sales rank within Industrial & Scientific, over time.
| Date | Rank |
|---|---|
| Jul 27, 2026 | #3,200 |
| Jul 26, 2026 | #3,200 |
| Jul 25, 2026 | #3,200 |
Common Questions
Is this a good price for Industrial & Scientific?
At $18.99, this is about 82% below the 107,945-product Industrial & Scientific average of $103.96.
How well does this sell compared to other Industrial & Scientific products?
It's ranked #3,200 in Industrial & Scientific by Amazon's own best-seller rank, and its price has been trending flat over our last 23 price checks.
How reliable is the 4.6 star rating?
It's based on 3,058 Amazon reviews, compared to a Industrial & Scientific category average of 4.4 stars.
