KOHLER K-4108-0 C3 230 Elongated Warm Water Bidet Toilet Seat, White with Touchscreen Remote Control, Quiet-Close Lid and Seat, Automatic Deodorization, Personalized Presets, Nightlight In-line heater provides continuously heated water for consistent comfort. Adjustable water temperature and water pressure. Touchscreen remote control with two programmable user presets. Stainless steel wand with UV-light self-sanitization. Heated seat with five temperature settings. LED lighting illuminates the bowl to serve as a night-light. Carbon filter for odor control. Quiet-Closelid closes slowly and quietly without slamming. Fits most elongated toilets  see Kohler compatibility chart for details Requires a dedicated circuit electrical outlet.