Recommended
Power Saver Scam EXPOSED!
Why people recommend it
Mehdi Sadaghdar opens a plug-in electricity saving box and shows why it cannot cut a household bill; the standard link whenever someone asks whether these devices work.
Watch for: what is actually inside the box
In their words
See Mehdi Sadaghdar's video about this type of device:
Bart on electronics.stackexchange.com, Jan 2021. CC BY-SA.
Hmm, the "energy saver" box from your photo appears similar to
ManRow on electronics.stackexchange.com, May 2022. CC BY-SA.