Electronic sauna control unit for “Finnish” (dry) or “hygro” (humid) sauna bathing. Temperature and humidity are infinitely adjustable according to the desired sauna type “Finnish” or “hygro”. The device has switches for light/fan/heating, a preselection timer (12 hours maximum), light indicators ON/OFF / dry/hygro mode / heater heating phases / evaporator heating phase, low water detection and acoustic low water alarm, sensor breakage/sensor short circuit protection, heating time limitation (6h/12h/without), connection for remote on/off switching. The automatic run-on dry heating (+60…+80 °C, max. 3.5 h) with fan activation prevents mold growth. The scope of delivery includes a temperature sensor with safety temperature limiter (141 °C) and 3 m silicone cable. A load extension is possible with the LG x/xx power control units. The light, fan and internal electronics are fused separately.