Works. Needs batteries.
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The Southwire 100-600V AC Detector is a reliable and efficient tool for detecting non-contact voltage levels up to 600 volts. Trusted for its quality and accuracy, this voltage tester is ideal for professionals in the electrical industry who require a precise measurement without making contact with the electrical current. With the Southwire brand behind it, users can be confident in the reliability and performance of this product for their testing and measurement needs.