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Voltage Testers and Receptacle Tester Kit

Ratings & Reviews for Klein Tools Voltage Testers and Receptacle Tester Kit

4.4
159
Review
 4.4 out of 5
159 Reviews


72% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this voltage tester for its simplicity, reliability, and compact design. The four-light indicator system provides instant visual feedback without requiring interpretation, allowing users to quickly test outlets, identify open grounds, and verify GFCI functionality. The pocket-sized form factor is ideal for carrying in tool pouches, and its no-battery operation adds convenience. Reviewers consistently describe it as durable and dependable. A few note concerns about probe tip length or GFCI button sensitivity, but these isolated issues do not diminish the strong overall satisfaction and widespread recommendation among DIYers and professionals.

Customer review summary generated by AI, including incentivized reviews.
159 Customer Reviews

Must have for your tool pouch

Would Recommend

In order to test the functionality of the ground fault circuit interrupter receptacles in my home, I bought this product to do just that. Personally, I love Klein test equipment. I would honestly recommend this product to people who work in the trades and homeowners alike.

April 29, 2026
From GFCI Outlet Tester Verified Purchaser
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Useful tool

Would Recommend

Well built, easy to see lights

April 22, 2026
From GFCI Outlet Tester Verified Purchaser
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Quick, easy, and confident testing

Would Recommend

Compact unit with clear lighting codes. No need for big LCD screen with text.

April 22, 2026
From GFCI Outlet Tester Verified Purchaser
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Electrical Confidence

Would Recommend

I needed a tester to make sure I was replacing the right part.

April 19, 2026
From AC_SLASH_DC Voltage Tester Verified Purchaser
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That this product is safe and it shows you 101 ins

Help me finish my project and a manly time limit

April 8, 2026
From GFCI Outlet Tester Verified Purchaser
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Tests both GFI and regular 110 outlets, not all do

Would Recommend

Great quality for the price

April 8, 2026
From GFCI Outlet Tester Verified Purchaser
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This is so easy to use

Price

April 3, 2026
From GFCI Outlet Tester Verified Purchaser
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Great simple device

Would Recommend

It is easy to use the device and understand the lights.

April 1, 2026
From GFCI Outlet Tester Verified Purchaser
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Did the job

Did the job

March 30, 2026
From AC_SLASH_DC Voltage Tester Verified Purchaser
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works as advertised

Would Recommend

does exactly as advertized

March 7, 2026
From GFCI Outlet Tester Verified Purchaser
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Compact / Does It’s Job

Would Recommend

It does its job. I like that it’s compact, which makes it easier to use in tight spaces.

February 12, 2026
From GFCI Outlet Tester Verified Purchaser
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Works

It works as expected.

February 3, 2026
From GFCI Outlet Tester Verified Purchaser
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Voltage meter

Best voltage meter I have ever used and is easy

January 26, 2026
From AC_SLASH_DC Voltage Tester Verified Purchaser
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Compact

Would Recommend

Compact tester.

January 13, 2026
From GFCI Outlet Tester Verified Purchaser
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Instant results

Would Recommend
December 27, 2025
From GFCI Outlet Tester Verified Purchaser
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