Specification: Output power: 3 to 18kW, 220V-240V/1phase, 208V,380V,415V/3phase. With personalized control panel Digitally controlled steam sauna function with temperature and time setting Temperature Hi limit switch Decompression device Auto-drain after bath Reliable anti-interference circuit design Highly processed circuit board Steam pressure: 0.12MPa for 3kW and 0.16MPa for 18kW Steam volume: 140 for 3kW and 500 for 18kW Water tank volume: 2.5L for 3kW and 12L for 18kW Applicable space of room: 3 to 6CBM for 3kW 10 to 16CBM for 9kW 20 to 24CBM for 18kW UL/CE/TUV/ETL approved.