Dimensions: 36L x 39W x 73H in.1-2 person capacity4 bio-ceramic heatersMade of reforested Canadian hemlock woodFeatures a natural finishMP3 auxiliary connectionTempered glass door 2 full-length windowsInterior reading lightPlugs into a 15 amp 110 volt outletAssembles in about 45 min.Includes a 5-year limited warranty. Bio-ceramic heaters in the Dynamic Saunas Alicante 1-2 Person FAR Infrared Sauna allow beneficial infrared waves to penetrate your skin and help your body remove toxins increase blood circulation and ease pain from sore muscles or aching joints. Bio-ceramic heaters heat more efficiently and produce a more direct distribution of heat. This one to two-person sauna is easy to use. It has two soft-touch control panels with LED displays so you can control the temperature and timer from inside or outside of the sauna. It comes equipped with a built-in MP3 auxiliary connection and speakers. For a quality sauna with an eco-friendly design this one has a double-paneled design built of reforested Canadian hemlock wood. Its ultra-thick framework and tempered glass door and windows retain heat efficiently. To install this sauna simply plug it into any dedicated 15 amp 110 volt outlet. You can place it on carpet or any indoor location.