This is a vintage midcentury "Nordic Spa" portable sauna. I've had some trouble dating it preceislbut I believe it was made in the 1950s or 1960s. It still has the appropriate wiring and controls are working. With some cleaning and care this could be good as new!
This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs". The seller is "brcol_8604" and is located in this country: US.