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Does you immoderate use of electricity make your bill unable
Todays electric meter is exceedingly intricate so that we can not
calculate how much electricity we use in our family.
There is no electricity inside the battery, but has control power
function that can let people know the concept of saving.
Using the Internet platform not only controls the electricity but
also can set the amount of electricity by ourselves in the Internet
After being exhausted in the amount of battery, it can store value.
On the battery of the lamp is the warning that can make user know
how much credit can be used,so that we can learn
Han Yao Ping-Chu Huang Jou-Man Wu Tz-Ting Yan