SteamSun Blanket, Far Infrared for 3 Zones Weight Lose Spa Detox Updated F-8104 Sauna Machine Digital controller setting of 3zone heat-treatment function Temperature adjustable from 80 to 160 degrees Fahrenheit Time setting: You can choose the therapy to be 20mins, 30mins, 40mins and 60mins, if longer session is needed, just reset and run again This blanket can keep beauty-promote blood circulation, accelerate metabolism, strength muscle nutrient, it also active cell and eliminate heavy ions The sauna blanket is contraindicated for individuals with lupus, multiple sclerosis, hemophilia, fever and heat sensitivity