What differentiates this Clearlight sauna from all the others? Craftmanship and True Wave II technology. In this classically designed one-person 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 red cedar sauna!