The device works using the principles of hydroelectric power. Inother words, water flows in (or, in the case of flushing, out) aturbine fan spins, and power is generated. Not only can the BenkatineTurbine generate power from the indoor plumbing, but it can be usedoutside to generate power from gutter drainage.
Source: coolest-gadgets.comAdded: 14 April 2008