Ella Smart Bidet Toilet with dual flush and built-in tank Elongated bowl for added comfort with a modern, compact design Features including front/rear cleanse, unlimited wash mode and therapeutic massage mode Instant warm water wash with adjustable pressure, temperature, nozzle position WaterSense certified dual flush system reduces water use and utility costs (1.27 / 0.92 GPF) Heated seat with adjustable temperature settings for personalized comfort Features two customizable user presets to save and recall your preferred comfort settings Operates during power outages with emergency flush functionality (requires 10 batteries, not included) Features anti-bacterial toilet seat material plus easy-clean bowl ceramic coating Nozzle UV sterilization and bowl pre-mist technology for increased hygiene