TESMEN Voltage Tester, TN-213 Non-Contact Voltage Detector, Electrical Tester, AC 12V-/70V-1000V, Dual-Range, LCD Display in Percentage, Buzzer Alarm, Live Wire Test, Wire Breakpoint Finder - Green
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Review Analysis Results
Analysis Summary
This product listing shows a mix of authentic and potentially inauthentic reviews, with an estimated 28% fake review percentage. The overall rating distribution is heavily skewed toward 5-star reviews (13 out of 15 reviews), with only one 4-star, one 3-star, and one 1-star review. The verified purchase rate is high at 93% (14/15), which is a positive indicator. However, the review content reveals concerning patterns including several overly generic reviews, one suspiciously promotional video description, and some reviews that appear to be translated or contain unnatural phrasing.
Specific language patterns raise concerns, particularly the second review which appears to be a video description rather than a genuine user experience: 'The video showcases the product in use. The video guides you through product setup. The video compares multiple products.' This reads like marketing copy. Additionally, several reviews contain awkward phrasing that suggests translation or AI generation, such as 'baseboard hitter' instead of 'baseboard heater' and 'I felt safe to replace a base board as I know that no electricity was running.'
Review authenticity indicators show mixed signals. On the positive side, there are specific complaints about functionality (the device turning off unexpectedly) and design issues (battery compartment missing a spring), which suggest genuine user experiences. The multilingual reviews (German, Spanish, Japanese, French) could indicate international distribution but also raise questions about translation authenticity. The emotional tone varies appropriately from enthusiastic to critical, with the 3-star review providing balanced feedback about both usefulness and a specific flaw.
Key concerns include the promotional video description masquerading as a review, several overly simplistic 5-star reviews ('It works'), and some reviews with unnatural phrasing. Positive indicators include the high verified purchase rate, specific technical complaints that suggest real usage, and the presence of critical reviews that break the perfect rating pattern. The product appears to be a legitimate electrical tool with both satisfied and dissatisfied customers, but some reviews appear artificially boosted.
Key patterns identified in the review analysis include: Marketing-style video descriptions as reviews, Unnatural phrasing suggesting translation/AI generation, Overly simplistic 5-star reviews with minimal content.
Review Statistics
About Review Data Collection
We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.
Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.
Free, quick to install, and works on Chrome, Edge, Brave, and other Chromium browsers.
Price Analysis
This TESMEN voltage tester appears to be a well-reviewed mid-range option in the electrical tester category. Given its 4.53/5 rating from nearly 2,000 reviews, it likely represents solid value. Monitor the price against the typical CAD $25-$60 range for similar products and wait for seasonal sales or coupon offers for the best deal.
MSRP Assessment
Market Position
Buying Tips
Understanding This Analysis
What does Grade C mean?
This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.
Adjusted Rating Explained
The adjusted rating (3.90 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.53 stars), suggesting positive fake reviews may be inflating the score.
How We Detect Fake Reviews
Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.
Important Limitations
No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.
