Relax Saunas are portable, affordable, personal use saunas with two 700 watt radiators that continuously emit Far Infrared Rays (FIR) while the sauna temperature may vary between 140-170 degrees Fahrenheit. Relax Saunas warm up instantly, and cause a detoxifying sweat within 20 minutes. Relax Saunas increase body temperature 3-4 degrees in 25-60 minutes which triggers a sequence of benefits including immune system stimulation, increased nitric oxide and decreased body inflammation.