Power Saving device???


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My opinion is this device should work and help to save power and thus $. However some devices may degrade its lifespan if you lower its power usage in long term.
 

For what I understand from the website, this device is to regulate the power supply, not to lower the power supply.

Anyway, saw the kind of device selling in Carrefour before, at a much lower price, not sure is a cone or the same brand.
 

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