All-in-one: motorized rolling massage, heating therapy, oxygen bubbles massage, water fall & water wave massage, and digital temperature and time control. Plus LED display & remote control.You can adjust temperature from 20 to 48 °C. Water fall function sprays water flow to simulate surfing effects to massage foot and calf. Two water jets surfing water cycle with many massage air bubbles simulating foot reflex zones. It effectively promotes blood circulation, improves metabolism, relieves fatigue, and smoothens the meridians (Qi system).Uses quality PTC heating semiconductor-- speed heating, maintaining a constant temperature, and secure multi-insulation protection. Safe and secure double overheating protection.Pre-set programs--heat+ bubble + motorized roller + water fall and wave. Digital timer. With temperature indicator-- blue light when below 42 °C; red light when higher than 42 °C. Built-in blowing hot air function to dry feet after use.Self-drainage. Body made of high-quality plastic -- high temperature resistance and aging resistance. Beautiful and elegant. Good for personal use and as gifts for others. 110V, 60HZ, 950 watts, UL listed. Comfortably fits up to a Men's Size 16. Product size: 20