A friend came into town and he wanted to see how accurate the YZXStudio USB Power Meters were compared to others. So we found some cheap one locally and bought them. Then decided to do a video showing the difference.
YZXStudio USB Power Meter can be purchased from Franky:
Links to Frankies Store:
EEVBlog Frankies Sales Thread, a place to ask him about the products he sells and others that have used the product you might be considering to buy. You know, if you dont trust my opinion that is 🙂