A Sink that have button controlling the amount of water and the rate of the flowing

There can be many different designs of the machine to make it look nicer and more stylish so it looks very good and attracts people to buy it and its also very environmentally friendly. By pressing the button you can stop the water before the 30 seconds are up if not it will automatically go off in 30 seconds.Try to make it as cheap as possible with a 3 years of warranty so people would not worry about it getting spoiled.
We could approach various environmental agencies,campaigns and groups to help advertising it and promoting it around the world.