The Prospera Deep Basin Pure Calf and Foot Spa soaks away your tension with deep water massage. You and your feet will be energized with shiatsu massage from the large underwater massage hands. The rollers have 3 auto programs to work perfectly on the reflex zones of your feet. Two surfing jets are built in to stimulate your legs and feet. Fill the 14“ tall spa with water and turn it on. The two underwater rollers combine with invigorating air bubbles and adjustable hot water (95F to 120F) to provide a soothing spa-like experience. Set the timer from 10 to 60 minutes with an interval of 10 min and relax. The product is ETL certified, it is completely safe to use and operate. Plugs into an AC outlet. Enjoy the wonder from Prospera Quality Product! You will feel so smooth and beautiful afterwards. Touch and Can you feel it?