Weight around : 200kg Size : 150L x 120W x 190H cm, 2100W Timber : Finland Spruce Wood Heating System : Ceramic FIR of 1st-generation FIR control panel c/w safety thermostat Internal temperature reading & timer setting Full glass sauna door & anti-rust hinges USB player and speaker Kill bacteria in high temperature, penetration heat to create artificial fever to boost immune system, easy use at home to avoid public sharing, almost Zero maintenance, just plug in & use, sweat & detox