It is unnecessary to set the temperature controller every time, you can maintain an appropriate temperature constantly. The temperature controller should be installed outside the sauna room. The temperature limiter switch in the temperature sensor will cut off the power if the temperature of the sauna room is too high. Deep rock tray, large capacity It can hold up to 10-15kg of sauna stones mostly. Model:SCA-80B Power:8KW CBM:8-12 Material:stianless steel Application:home, hotel, SPAs, etc.Voltage:220V Control method:digital display outer control Suitable user mumber:3. 1x Digital controller 1x Sauna heater 1x Cable 1x User manual. International buyers please note: a. The item "8KW Wet & Dry Sauna Heater Stove Stainless Steel For SPA + External" is in sale since Tuesday, March 12, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Saunas". The seller is "best2service" and is located in HK. This item can be shipped worldwide.