Uploaded February 2025 | Updated September 2026, 1 week ago

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Yet another Power Factor Saver, Electricity Saver or Electricity Saving Box sold on eBay in 2025. This time a smaller one. Does it save any electricity or is it just a scam device with fake claims? What's inside of this mysterious device?

The FNIRSI multimeter with a discount:
fnirsi.com/products/dmt-99?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

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