Water Powered Clock

Now we used our new water powered battery which can be used more than 3 years. And we have the patent of the water powered product in China,Eourpe,USA,Japan and so on.Now in the marker have some otherwater powered product is the copy and only can be used 1--3 month. this clock use the water battery derive,not need the dry battery only add the water in the water battery can running, and have not produce the waster material.It,s passed the SGS and Rosh stand.