Specifications: Help improve blood circulation Remove toxins and mineral waste Reduce stress and relieve pain Unique wave penetrates directly onto our body a couple of inches, it makes us feel quite warm, it may burn 600 calories per sauna session (30minutes). But our skin is not hurt by the hot air Adjust the sauna time, temperature as you desire through the electronic digital control panel outside and inside. CD player is provided. You can read the magazine, listen music while enjoying the infrared sauna. Packing: Sauna size: 1250*1060*1900mm 1pc/2ctns 187*128*30cm/134*114*40cm 20ft: 21pcs Instrumental work environment: temperature: 5-40? degree of humidity: not more 65% atmospheric pressure: 700-1060hpa power supply; AC 110V,220V,240V, 50-60Hz Rated power: 1600W infrared wavelength: 5.6-15um Operation method: At first, put the plug of the sauna room in the suitable electric outlet . The power light is on. Then press the "ON/OFF"button, the heat light is on. Then press " + " or " - " key to adjust the temperature(25?-75?) accordng to your need. Finally,press the "function" key to adjust the sauna time, volume of music and so on. And press "+"or "_" key to get what you need. After the instrument have been turned on and you have adjusted the time and temperature for needing, you can use it .The manifestation at that time near "00", the buzzer sound can be heard, and the instrument stop heating. If you need the sauna room to go on work, need to press the "+" "_" key to adjust it. You can open the transom on the top or organism glass window when you feel too sultry, and can open the coping for ventilation. After use, please press the button "ON/OFF" to turn off it.