The Sequoia 4-person indoor infrared sauna is constructed of rich Canadian red cedar, which provides a nice soothing aroma during your sauna session. The Sequoia has 10 carbon-nano heaters for quickly getting the sauna to your desired temperature, up to 140 degrees. The Sequoia features movable ergonomic backrests for maximum comfort, chromotherapy mood lighting, an oxygen ionization system for purifying the air, recessed interior and exterior lighting, a Bluetooth speaker system, cup holders, and more. The Sequoia is easy to assemble, and the all-natural Canadian red cedar wood will enhance any decor.