Anti back flow
Rear/front bidet
Back and forth nozzle wash/massage>Self-cleaning bidet
Heated seat
Drying function
Adjustable water pressure
Booster pump for more pressure
Adjustable water/air/seat temperature
LED Night light
Remote control
Soft-close seat/cover
automatic cover open/close
Watermark, SAA certified, can be added as UL , UPC extended model