KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI - testers | Mubboo
KLEIN TOOLS

KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI

Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit

$32.98$39.97Save 17%4.8(1,904 reviews)
Mubboo Score B+
Buy on Amazon $32.98

Price as of 2026-06-16. Check Amazon for the current price.

Quick Decision

Mubboo Score
B+
Best For
Those who want a top-rated option
Reviews
1,904+ · reliable

Price Intelligence

📊 In testers, this is a mid-range product.
  • Budget:$6–$14
  • Mid-range:$14–$53← You are here
  • Premium:$53+

Is This Right For You?

✅ Great for
  • Those who want a top-rated option — in the top 2% of testers by rating
  • KLEIN TOOLS loyalists — the brand spans 66 products in our database
💡 Consider instead
  • DROK USB Tester — 59% cheaper at $14 (Score A)

📊 Based on data analysis of 185 products in this category.

Mubboo Score: B+

Quality9.6/10
based on 4.8/5 customer rating
Popularity6.9/10
1,904 reviews, top 31% in testers
Value4.1/10
priced below 41% of testers
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other testers

Computed from live Amazon rating, review count, and price across 185 testers available to US consumers · last refreshed 2026-06-16.

How It Compares

This Product
KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI
Most Popular
AstroAI Digital Multimeter Tester 2000 Counts
Best Rated
KLEIN TOOLS RT250 GFCI Outlet Tester
Best Value
DROK USB Tester
Price$32.98$14.59$24.97$13.51
Rating4.8/54.5/54.8/54.7/5
Reviews1,90454,84811,4903,536
Mubboo ScoreB+A+A-A

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Check included test leads and consider upgrading them for budget meters; for circuit breaker finders, allow time to learn the scanning process and always do a second pass over the panel.

Praised for
  • Good value for money
  • Easy to use
  • Accurate / reliable readings
  • Useful features like backlight or audible alert
  • Compact and portable design
Common complaints
  • Quality control issues with test leads or defective units
  • Requires patience or learning curve for accurate results

Related Video Reviews

About KLEIN TOOLS

  • 66 products in our database
  • Average rating: 4.7/5 across all products
  • Price range: $9.97$699.98
  • Categories: carpentry-squares, Coolers, Flashlights, Hand Tool Sets, Headlamps, Knee Braces

If not the RT250KIT Non-Contact Voltage Tester and GFCI, consider these

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$14.59 · 4.5 (54,848)
54,848 reviews — 28.8× more than the RT250KIT Non-Contact Voltage Tester and GFCI

Bottom Line

KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI earns Mubboo Score B+. Priced at $33 — a mid-range option, below the category average of $55. Rated 4.8/5 from 1,904+ reviews. Strong buy if: those who want a top-rated option, klein tools loyalists.

Buy on Amazon $32.98Last verified: 2026-06-16

Frequently Asked Questions

Is the KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI worth buying in 2026?

It earns a Mubboo Score of B+, with a 4.8/5 rating from 1,904 reviews — better than 98% of testers we track.

How much does the KLEIN TOOLS RT250KIT Non-Contact Voltage Tester and GFCI cost?

It is currently $32.98 — mid-tier pricing for testers.

How does the RT250KIT Non-Contact Voltage Tester and GFCI compare to other testers?

The category's most-reviewed alternative is the AstroAI Digital Multimeter Tester 2000 Counts (4.5/5, 54,848 reviews, $14.59). The RT250KIT Non-Contact Voltage Tester and GFCI carries a Mubboo Score of B+ vs A+.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-16) and may change.