One of our most popular models, the S-820 is perfect for one or two people, with its footprint of only 13.3 sq. ft., this IR sauna has the same luxurious features as all S models: Pure Infra Low EMR/Low EF, all-glass front wall, trimodal lighting with valance light, ceiling reading lights and color light therapy. It can be easily incorporated into an in-home workout area, master bath or even in the master bedroom. Dimensions: 40” d x 48” w x 77” h Electrical requirements: Plug-in, 15 amp 120-volt outlet