Specification: 1) Dimensions: 1500x630x1230x1230x630x1900(mm) 2) Power usage/Power:110V, or 220V, or 240V and so on/2400W 3) Operating temperature:15---70C 4) Materials: hemlock, Russia spruce 5) Designed for 3 persons 6) 8 wide-frequency heaters system Features: 1) KERAMOS heating system 2) Toughened glass windows on doors 3) Double digital control system outside and/or inside 4) CD player 5) Ergonomic comfortable backrest and bench 6) Reading lamp 7) Oxygenator 8) Ventilation system