Specification: 1)Dimensions: 1200x1000x1900(mm) 2)Power usage/Power: 110V, or 220V, or 240V and so on/1500W 3)Operating temperature: 15---70C 4)Materials: hemlock, Russia spruce 5)Designed for 2 persons 6)5 wide-frequency heaters system 7)114KG 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