All the Features You Imagine in One Model. Seat Hole Dimensions-7.9 x 11.5 inches ; Seat Thickness: 1.3" ; Length of Power Cord: 3'10" Posterior Wash is for His/Her Back. Feminine Wash is a gentler, wider wash for her front. Spiral Stream or Turbo Wash is the strongest, most concentrated wash for His/Her back. Having constipation problems? Use the Spiral Stream Wash which can help relieve constipation On Demand, Unlimited Warm Water Our Hybrid Heating System allows the water to be instantly and continuously warm at your desired temperature. No more cold water shooting up your butt in the mornings or winters! Enjoy this experience without havingn to worry about the water turning colder and colder. Nozzle Our 3-in-1 patented stainless steel nozzle self cleans before and after each wash. The Inside Out Nozzle Flush feature flushes out any impurities in the water after each wash. The nozzle cap is removable in order to clean the inside or to switch for another user (one cap included). LED Night Light The SmartBidet night light will turn on from the Simple Operational Panel. Easy to spot your SmartBidet in the dark without needing to blind your eyes from the bathroom light in the middle of the night.