??Auto Open/Close Cover (Rader Sensor)：The smart toilet seat detects your presence, opening automatically as you approach and closing softly when you leave—all without the need for touch. ??Night Light and Digital Display: The smart toilet's soft night light harmonizes with the colorful dynamic digital display, offering you both practicality and aesthetic pleasure for nighttime use. ??Emergency 9V battery back-up system so that you can use your toilet even power off (battery included). Nozzle self-cleaning and Nozzle Position: Dedicated Adjustable Spray Outlet for Rear Wash and Female Wash