Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit

Ratings & Reviews for Klein Tools Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit

4.7
329
Review
 4.7 out of 5
329 Reviews


91% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this electrical tester for its accuracy, reliability, and ease of use. The large digital display, simple plug-in design, and intuitive red-green indicator lights make diagnostics fast and accessible even for those without electrical training. Many highlight the integrated flashlight as unexpectedly practical for dimly lit spaces. Reviewers consistently describe it as a must-have tool for both professionals and DIYers, offering exceptional value and professional-grade performance. A few report intermittent issues or occasional false positives, but these rare concerns do not diminish the strong overall satisfaction.

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

Handy tools

Would Recommend

The non-contact voltage tester is very useful and works well. The outlet tester works but the instructions could be a little clearer about what it can and can't tell you.

June 11, 2026
Verified Purchaser
Was this Review Helpful ?

Works perfect

Would Recommend
June 10, 2026
Verified Purchaser
Was this Review Helpful ?

WOW! Perfect tool for YOUR security!

Would Recommend

Very sensitive tools. No excuses for getting electrocuted!!!

June 10, 2026
Verified Purchaser
Was this Review Helpful ?

Nice to Get Both Devices in One Package

Would Recommend

Easy to use with accurate results. A DIY must have.

June 7, 2026
Verified Purchaser
Was this Review Helpful ?

top notch product

Would Recommend

Great value and quality

May 31, 2026
Was this Review Helpful ?

Good price

Would Recommend

Functioned well as expected, receptacle tester has easy to read screen.

May 31, 2026
Verified Purchaser
Was this Review Helpful ?

Handyman’s Tool

Would Recommend

All the functions.

May 31, 2026
From GFCI Receptacle Tester with LCD Verified Purchaser
Was this Review Helpful ?

Easy pick up and return policy

Would Recommend

I ended up not needing this product

May 29, 2026
From GFCI Receptacle Tester with LCD Verified Purchaser
Was this Review Helpful ?

DIY

Would Recommend

The electric tester is easy to use when testing outlets.

May 23, 2026
Verified Purchaser
Was this Review Helpful ?

Nice tool

Would Recommend

Great for testing the outlets before buying a home

May 22, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Was this Review Helpful ?

Great value voltage tester.

Would Recommend

The tester works great on receptacles and insulated wires. It even works on GFI receptacles unlike the cheaper model.

May 22, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Was this Review Helpful ?

Good thing put together

Would Recommend

You can check the power on the receptacles and cables without any safety issues, I like this "combo"

May 22, 2026
Verified Purchaser
Was this Review Helpful ?

Voltage checker

Would Recommend

Voltage checker, does the job

Was this Review Helpful ?

Beeps

Would Recommend

Ease of operation

Was this Review Helpful ?