This premium round-shaped one-piece smart toilet is equipped with a concealed high-pressure booster water tank and separated dual-waterway system to maintain powerful siphon drainage even during peak water usage hours, the flushing water circuit and fresh-water cleansing circuit are completely physically isolated where flushing relies on stored stabilized water inside the sealed tank while the cleansing side features independent instant hot fresh water with dual pre-filtration to avoid bacterial growth caused by repeated heating of stagnant water, built-in radar body sensor automatically lifts the lid upon user approach and closes the lid with auto flush after leaving the seat, supplemented by dual foot-operated functions for ring lifting and foot flush to enable fully touch-free operation, the antibacterial seat comes with four adjustable constant temperature settings and automatically cools down after prolonged sitting to prevent overheating discomfort, four-speed adjustable warm air drying completes the all-in-one wash-and-dry process for paper-free restroom use, the instantly heated spray wand delivers oxygen-infused soft water across four cleansing modes including posterior wash, feminine wash, oscillating massage and multi-nozzle feminine wash plus automatic wand self-clean before and after every use, full-range UV sanitization activates automatically once the lid shuts while nano self-clean glaze restrains bacterial buildup on the ceramic bowl surface from the source, a high-definition LED digital display on the unit shows real-time water and seat temperature with dual control options of physical side buttons and wireless remote control, an embedded aromatherapy cartridge continuously neutralizes unpleasant odors alongside soft night light for convenient midnight bathroom visits, bringing comprehensive hygiene and comfortable user experience.