Brondell Ecoseat Plastic White Elongated Slow Close Feature Bidet Function Toilet Seat (open box)Powered by water pressure; no batteries or electricity required Fully retractable, self cleaning nozzles offer separate front and rear washes Fully adjustable water pressure Ergonomic, chrome control dial Sleek, streamlined profile with gentle close seat and durable, sittable lid For elongated toilets only Features highest quality components, including all metal T Valve and more Easy, DIY installation on your existing toilet Reduce toilet paper use