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 hurted by the hot air; Adjust the temperature and time 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: 1530*1200*1900mm One piece put in two cartons Carton size: 190*160*32cm/160*130*30cm 40ft: 40pcs Instrumental work environment: temperature: 5-40 °C degree of humidity: not more 65% atmospheric pressure: 700-1060hpa power supply: AC 110V,220V,240V, 50-60Hz Rated power: 1800W 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°C-75°C) according to your needing, Finally to 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 to heating. If you need the sauna room to go on work, just press the "+" "_" key to adjust it. You can open the transom on the top or organism glass window when your felling is too much sultry, and can open the coping for ventilation. After use, please press the button "ON/OFF" to stop it.