Specification of Outside Sauna far Infrared Sauna Room GW-OD02A Model: GW-OD02A Dimensions: 120(L) ... & Exterior) Heating System Ceramic Heater Type: Spa Capsule,Infrared sauna,Dry Sauna Control System: Inside control panel;Automatic digital control system, ... 15-60 centigrade,temperature sensor Door: Tempered Glass Warranty : heaters, sauna cabin, electrical components for 2 years ,Radio/CD for1 year ...