2 persons Main material: hemlock,red cerdar,douglas fir,white pine,Russia Spruce, Cypress 120x110x190(cm) power: 1500(w) (20'/40'HQ):25/57 PCS Oxygenator CD/AM/FM Doubledigital control system outside and / or inside 5 wide-frequency heaters system Toughened glass windows on doors Ergonomic comfortable backrest and bench Reading lamp Ventilation system