Klein Tools' ET270 is two testers in one. It's an auto-ranging Digital Multi-Tester that measures AC/DC voltage, resistance, continuity, and performs a battery test. It also tests wiring conditions in standard 120VAC and GFCI electrical receptacles and inspects North American GFCI devices. Learn more at: https://www.kleintools.com/catalog/electrical-testers/digital-multi-tes…
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