... Cedar Carbon fiber heater: 8 pcs Type: Spa Capsule,Infrared sauna,Dry Sauna Control System: Dual control panel;Automatic digital control system ... temperature: 15-60 centigrade Door: Tempered Glass Warranty : sauna cabin is for 5 years,heaters, workman,ship, electrical components ... for 2 years ,Radio/CD for1 year. Sauna Voltage: 110V/220V Air system: Adjusable vents,Fresh air ...