... fiber heater,7 pcs Type: Spa Capsule,Infrared sauna,Dry Sauna Control System: Inside control panel;Automatic digital control ... control system Warranty : sauna cabin for5 years, electrical components for 2 years ,Radio/CD for1 year. Sauna Voltage: 110V/220V ... ETL Structure: Completely free standing Benefits: Automatic thermostat for constant temperature and changeable frequency, saves energy and money ...