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Non-Contact Voltage Tester Pen, 50 to 1000V AC

Ratings & Reviews for Klein Tools Non-Contact Voltage Tester Pen, 50 to 1000V AC

4.7
313
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Review
  4.7 out of 5
314 Reviews


89% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this non-contact voltage tester as reliable and effective for detecting live wires safely without direct contact. The compact, pen-like design with clear audio and visual indicators makes it intuitive to use for both professionals and DIYers. Many report it works accurately at awkward angles and outdoors, with users emphasizing they never work on electrical projects without it. Reviewers consistently highlight exceptional value for the affordable price, with many purchasing multiple units. A few note rare issues with sensitivity or durability, but these complaints are vastly outweighed by strong satisfaction with this essential safety tool.

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

Works great

 Would Recommend

Worked very good for my son

May 18, 2026
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Safety

 Would Recommend

Verify quickly if a line is hot

May 18, 2026
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Works as advertised

 Would Recommend

Simple to use worked great

May 17, 2026
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works great reasonably priced

 Would Recommend

it's compact & easy to use

May 17, 2026
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Easy and intuitive

 Would Recommend

Easy to use and understand

May 16, 2026
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Great non-contact voltage tester with audio alert

 Would Recommend

I like that this tester has an audio alert. My previous one did not and it makes it difficult when testing outdoors or when testing at weird angles.

May 13, 2026
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Outstanding device

 Would Recommend

Amazing little gadget! Works exactly like it’s supposed to work. Keeping the kids away from it is the only issue I’ve got with it!

May 9, 2026
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Great tool!

 Would Recommend

The product was very easy to use. The light and beeping features are very helpful as well as well as the side clip that’s convenient for multiple projects.

May 1, 2026
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Easy to tell if on/off

 Would Recommend

works very well, good sensitivity

April 29, 2026
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Nice

 Would Recommend

Affordable, easy to use and reliable.

April 26, 2026
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Very handy for detecting hot or not hot wiring

 Would Recommend

Economical

April 21, 2026
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Save a life

easy to use

April 20, 2026
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