WSDMAVIS 0.28'' Digital Voltmeter Ammeter – 4-Digit LED Display, DC 0-100V 10A, Reverse Protection, Panel Mount

About This Product

This little WSDMAVIS voltmeter-ammeter combo is a total gem for any DIY electronics project or power supply monitoring.
It's got a crisp 0.
28-inch 4-digit LED display that shows both voltage and current simultaneously – so you can see exactly what's going on with your power at a glance.
Voltage range is DC 0-100V, and current goes up to 10A, with a resolution of 0.

001V and 0.

01A – plenty precise for most hobbyist and professional uses.
The refresh rate is a snappy 300ms, so readings update in real time.
Wiring is straightforward with five color-coded leads – thin red/black for power, yellow for voltage sense, and thick red/black for current sensing.
It's got reverse polarity protection on the working power, but don't push it too long.
The panel mount design needs a 57.

5mm x 26mm cutout, and the whole unit measures about 60 x 28.
6 x 22mm – nice and compact.
Great for bench power supplies, battery chargers, solar setups, or any project where you need to keep an eye on voltage and current.

The bright blue LED is easy to read even in low light, and the whole thing feels solid.

Installation is quick, and once it's in, it just works.

If you're tired of guessing your power readings or juggling separate meters, this 2-in-1 unit is a no-brainer.

Accurate, affordable, and super useful.

A must-have for any electronics bench or control panel.