Many guests always come with a bit of skepticism and ask: can you really save?
Indeed can save!
Many buyers buy back after plugging in the power supply, immediately go to see the meter, found that the meter and normal, immediately ask us, think this commodity is not useful they will think that a plug in the meter should be reversed or slow turn, do not turn! The owner of the store is very clear to answer you: this product is a power saver, not to make all electrical appliances do not use electricity magic device! This product needs to be used for a long time to see the effect.