This voltmeter from the "Scanners & Testers" category in "Measuring & Layout Tools" is a great addition to any tool kit for maintaining and troubleshooting electrical systems. Thanks to my knowledge gained in practice and aided by this versatile tool, I was able to quickly diagnose voltage issues with accuracy .It's easy to use, lightweight, and compact, making it a handy tool for any DIY enthusiast or professional ELECTRICIAN. The only drawback I found is that it does not come with a protective cover. Overall, I highly recommend this product for anyone in the Tools and Home Improvement field..