Helo Midi control unit can be mounted inside the sauna room. This slimline, digital control unit is used with DE -type sauna heaters like Cava, Plus and Pikkutonttu. Preset time is 0 - 23 hours and heating time 0- 6 hours. You can control the temperature and the display shows you both the set temperature and the actual temperature. The sauna light can also be operated via Helo Midi. Helo Midi is supplied with 2 different frames: white and chrome colour.