What differentiates this Clearlight sauna from all the others? Craftmanship and True Wave II technology. In this classically designed sauna you are totally surrounded by infrared heat, thanks to True Wave II technology!! The Premier 1 sauna is constructed of Eco Certified Western Red Canadian Cedar. And although it has a classic sauna design, some of its amazing technology includes: recessed LED accent lights, Never Fail digital keypads, and audio inputs & speakers. It is easy to see why you would fall in love with this sauna!!