diff --git a/FilmLightController/lightmux.cpp b/FilmLightController/lightmux.cpp
index c4ffa77..6fc45ff 100644
--- a/FilmLightController/lightmux.cpp
+++ b/FilmLightController/lightmux.cpp
@@ -6,6 +6,7 @@ LightMux::LightMux()
     brightness = 50;
     power_cold = 0;
     power_warm = 0;
+    power_combined = 0;
 }
 
 
@@ -42,10 +43,10 @@ void LightMux::mux(){
     power_cold = static_cast<int>(double(power_cold * (double(brightness/100.0))) + .5);
     power_warm = static_cast<int>(double(power_warm * (double(brightness/100.0))) + .5);
 
-
-
     qDebug("cold color: %i\nwarm color: %i\n", power_cold, power_warm);
 
+    power_combined = static_cast<int>(double(power_cold+power_warm) / 2.0);
+
 }
 
 
@@ -126,6 +127,16 @@ void LightMux::setTemperature(int requested_val){
     }
 }
 
+void LightMux::toogleAdaptiveBrightness(){
+    adaptive_brightness = !adaptive_brightness;
+
+    if(adaptive_brightness){
+        qDebug("adaptive brightness enabled\n");
+    } else{
+        qDebug("adaptive brightness disabled\n");
+    }
+}
+
 int LightMux::getBrightness(){
     return brightness;
 }
@@ -149,3 +160,7 @@ int LightMux::getPowerCold(){
 int LightMux::getPowerWarm(){
     return power_warm;
 }
+
+int LightMux::getPowerCombined(){
+    return power_combined;
+}
diff --git a/FilmLightController/lightmux.h b/FilmLightController/lightmux.h
index a26bfc8..78b7102 100644
--- a/FilmLightController/lightmux.h
+++ b/FilmLightController/lightmux.h
@@ -15,6 +15,9 @@ private:
 
     int power_cold; // power of the cold LEDs of Panels in percent
     int power_warm; // power of the warm LEDs of Panels in percent
+    int power_combined; //combined power of both LEDs in percent
+
+    bool adaptive_brightness; // true indecates adaptive brightness is enabled
 
 public:
     LightMux();
@@ -41,6 +44,10 @@ public:
     int getPowerCold();
     int getPowerWarm();
 
+    int getPowerCombined();
+
+    void toogleAdaptiveBrightness();
+
 };
 
 #endif // LIGHTMUX_H
diff --git a/FilmLightController/mainwindow.cpp b/FilmLightController/mainwindow.cpp
index e631a5b..c37cbde 100644
--- a/FilmLightController/mainwindow.cpp
+++ b/FilmLightController/mainwindow.cpp
@@ -37,17 +37,23 @@ void MainWindow::updateUI()
 
     setLablePowerCold(lmux->getPowerCold());
     setLablePowerWarm(lmux->getPowerWarm());
+    setLablePowerCombined(lmux->getPowerCombined());
 }
 
 
 void MainWindow::setLablePowerCold(int val)
 {
-    ui->labelPowerCold->setText("Output Power Cold: " + QString::number(val) + " %");
+    ui->labelPowerCold->setText("Output Power Cold: " + QString::number(val) + "%");
 }
 
 void MainWindow::setLablePowerWarm(int val)
 {
-    ui->labelPowerWarm->setText("Output Power Warm: " + QString::number(val) + " %");
+    ui->labelPowerWarm->setText("Output Power Warm: " + QString::number(val) + "%");
+}
+
+void MainWindow::setLablePowerCombined(int val)
+{
+    ui->labelPowerCombined->setText("Combined Power: " + QString::number(val) + "%");
 }
 
 void MainWindow::on_BtnIncreaseBrightness_clicked()
@@ -104,3 +110,8 @@ void MainWindow::on_lineTemperature_returnPressed()
 }
 
 
+
+void MainWindow::on_checkBox_stateChanged()
+{
+    lmux->toogleAdaptiveBrightness();
+}
diff --git a/FilmLightController/mainwindow.h b/FilmLightController/mainwindow.h
index 8be85d3..3d4f5c5 100644
--- a/FilmLightController/mainwindow.h
+++ b/FilmLightController/mainwindow.h
@@ -18,6 +18,7 @@ public:
     ~MainWindow();
     void setLablePowerCold(int val);
     void setLablePowerWarm(int val);
+    void setLablePowerCombined(int val);
 
 private slots:
     void on_BtnIncreaseBrightness_clicked();
@@ -36,6 +37,8 @@ private slots:
 
     void on_lineTemperature_returnPressed();
 
+    void on_checkBox_stateChanged();
+
 private:
     Ui::MainWindow *ui;
     LightMux *lmux;
diff --git a/FilmLightController/mainwindow.ui b/FilmLightController/mainwindow.ui
index a72e8ed..ae6319f 100644
--- a/FilmLightController/mainwindow.ui
+++ b/FilmLightController/mainwindow.ui
@@ -230,7 +230,7 @@
     <property name="geometry">
      <rect>
       <x>10</x>
-      <y>220</y>
+      <y>240</y>
       <width>201</width>
       <height>18</height>
      </rect>
@@ -243,7 +243,7 @@
     <property name="geometry">
      <rect>
       <x>10</x>
-      <y>250</y>
+      <y>270</y>
       <width>211</width>
       <height>18</height>
      </rect>
@@ -272,6 +272,32 @@
      </rect>
     </property>
    </widget>
+   <widget class="QLabel" name="labelPowerCombined">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>300</y>
+      <width>211</width>
+      <height>18</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Combined Power:</string>
+    </property>
+   </widget>
+   <widget class="QCheckBox" name="checkBox">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>210</y>
+      <width>151</width>
+      <height>24</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>adaptive brightness</string>
+    </property>
+   </widget>
   </widget>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
diff --git a/Screenshot/Screenshot_20190128_220642.png b/Screenshot/Screenshot_20190128_220642.png
index 2f77cf1..0070257 100644
Binary files a/Screenshot/Screenshot_20190128_220642.png and b/Screenshot/Screenshot_20190128_220642.png differ