Operation confirmed. It can be used by plugging it into a regular outlet, like a power strip. It's for connecting between an outlet and appliances like a refrigerator. Here's the manufacturer's website: http://e-shinden.com/business/bioenergetic/index.html For information on its effects, please refer to the other Satori series products: https://www.shinken-club.com/SHOP/ST1005.html Will ship via Rakuraku Mercari Bin or Yuuyu Mercari Bin.