Specifications: Model FIR-033LW Main material:Hemlock / white pine/Cerdar wood Tempered glass and window; Dimensions:155X60X120X190CM/61"X23.6"X47.2"X74.8" Capacity 3 -4 Persons Heaters:Ceramic Far Infrared Heater/ 6pcs Operating Temperature 10---65C Power Usage/power 110V, or 220V, or 240V / 2000w Infrared wavelengths 5.6---15um Package 3 cartons for 1 PC G.W:180kgs VOLUME:1.8 Loading quantity 15pcs/20ft ,34pcs/40ft HQ Trademark: Sauna King Model: FIR-033LW Standard: CE, CB, SAA, ETL, C-ETL Productivity: 4,000 Pcs / Month