Energy saving device

You can try to search google about it. One of the brand name is Kappsons electricity saving device. They said it can protect yourself from electricity rate increases when your local electricity supplier increases their electricity rates, you will know that you're using electricity as efficiently as possible, and your overall monthly electric bill increase due to higher rates will be minimized. The device uses a system of capacitors and patented components to smooth out these power spikes which increase the power factor in your circuits. Ultimately, this means that you are using the electricity you already have more efficiently than before and results vary between 15% and 40% depending on your location and the quality of the electricity supply in your area.

If you plug the device into a plug socket then you'll find that you'll save electricity on every appliance that is on the same circuit.If, for example all the plug sockets downstairs are on the same circuit then one Electricity Saving Device will save electricity for every one. this is certainly the easiest way of using our ESD and you may wish to buy multiple mall ESD to cover the most power hungry circuits in your home. They also come with a plug for convenient installation you can achieve the most savings by removing the plug and splicing the device into your circuit before your breaker panel. In doing this you'll be able to realize savings on every circuit in your home.

I was planning to buy this device but I still seek opinions from users to make sure it's worth.