The COCO 8035R is a hybrid bidet. The COCO 8035R has a hydro power generator that creates energy every time you flush the toilet. COCO Bidet offers a great washlet that comes with all the features you would ever want. The washlet mounts on top of your existing toilet to transform it in toilet and bidet. Experience the great clean it will give you while being warmed by its heated seat. Some other key features include: soft closing seat, antibacterial material, and deodorizer. Every time you flush the toilet the water pressure powers a generator and then charges a rechargeable battery.