A clock powered by water you ask? The answer is Yes. A ‘no batteries’ required Eco gadget that is so low energy you must have this. Fill the digital clock with water up to the required level and set the time on the digital screen. The Water Clock is a technophiles dream, a truly imaginative and functional product that looks good anywhere. Go forth eco warriors and grab your clock. Water Clock : Water Powered Clock No battaries required, just add water 6-8 weeks time accurate time keeping