It even keeps your feet warm, seat goes up as you enter the bathroom, music, night light.....
https://www.youtube.com/watch?v=R8jCP_-oBgQ
It’s been discontinued:
http://m.us.kohler.com/mt/www.us.kohler.com/us/catalog/partProductDetails.jsp;jsessionid=8CA42370884896DEB0611ED43143FF9F.kohler-prod1-ecom1?productId=428670&isProductDiscontinued=true&_requestid=979671&un_jtt_redirect