HUAHA AC 80-300V LCD Digital Volt Meter Voltmeter US Plug Electric Pen Voltage Testers Electrical Instruments -Volt Panel Meter Voltage Tester Gauge (White)

Easy to read, accurate, simple, reliable, good for R/V 120V plugs to check inverter.

Got this to make sure we have good power to our trailer when camping. It also makes a great night light.

works great

Works great. Already saved my RV. Was at a campground with 150 volts. Turnded power off and had them fix it