Burn 600 calories in 30 minutes laying down! The infrared dome has 3 heating zones with two in the dome and one in the heating mat so that every inch of your body gets the benefits. This FIR home massage sauna dome combines health care and slimming function without any negative effects on the human body. The thermal effect within the deep layers of the tissues causes blood vessels and capillaries to dilate, promoting better blood circulation, and the heat produced helps to get rid of body toxins and metabolic wastes through sweating. The temperature setting in the dome can be adjusted between 77-194 degrees Fahrenheit, the Mat adjusts from 77-158 degrees Fahrenheit. The dome is lined with 180 pieces of tourmaline & germanium stone. Your head is not in the dome to avoid heating your head.