Electricity Saver Schematic I Want To Know About This Power Electricity Energy Saver-Save 5 To 30%?

I want to know about this Power Electricity Energy Saver-Save 5 to 30%? - electricity saver schematic

I want to know about this matter, the Electricity Energy Saver-Save 5 to 30% it really works. Or just a joke. I plant the device on eBay and homelessness is a job really. You said it, plug it easy and save energy by stabilizing the supply. Has anyone heard of this thing works and legal