The Southport 3-person indoor traditional sauna is constructed of Canadian hemlock wood for a durable yet appealing design. The 3.5kW Harvia heater produces temperatures up to 170 degrees while the included water cask and spoon allow you to add water to the heater stones to get to your desired humidity level. Standard features include a thermo-hygrometer for displaying the humidity level, ergonomic seating for comfort and convenience, interior lighting, sand timer, and an air ventilation system.