All you need is an easy to use and readable cause and effect gauge. I have better counters, but sometimes you just want it. Started with a discrepancy in the DC volt readings, they're everywhere, even from the DC power supply. The spin wheel now acts up, you have to move it left and right from where you need it and sometimes push the wheel up and down to make it work. Good price for what it is, just don't expect it to last long or exactly all the time. I will try another brand.
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