$140 for a 2CH 100MHz 1GS/s tablet oscilloscope? Review of the $140 FNIRSI-1013D 2CH 100MHz 1GS/s tablet oscilloscope. Is it too good to be true? Fnirsi Aliexpress Store: http://s.click.aliexpress.com/e/_d8nfjVK $70 pocket oscilloscope: https://www.youtube.com/watch?v=SIH48bIUU00