The Unit itself contains a small explanation on how Power Saver works. This Manual may not be enough to believe everything especially if you are not that technically inclined.
Here are the List of Other Blogs/ Sites that tackles about Power Saver. We may have different product Name and Appearance but the basics of its operation has the same Goal.
Save Electricity with Extreme Power Saver
Extreme Power Saver V3 Electric Bill Reducer Plug
I hope it could enlighten you to buy one now.
Save as Early as Possible
