diff --git a/logic/include/viewModel/MainViewModel.h b/logic/include/viewModel/MainViewModel.h
index 7549d70..1cd073a 100644
--- a/logic/include/viewModel/MainViewModel.h
+++ b/logic/include/viewModel/MainViewModel.h
@@ -4,6 +4,7 @@
 #include <QtMvvmCore/ViewModel>
 #include "utils/Property.h"
 #include "model/Console.h"
+#include <QList>
 
 #define LED_OFF 0x00
 #define LED_COLOR_WHITE 0x01
@@ -140,7 +141,7 @@ class MainViewModel : public QtMvvm::ViewModel
 //BUTTON_LED_PROPERTY(probe3, Probe3, false, LED_OFF)
 //BUTTON_LED_PROPERTY(probe4, Probe4, false, LED_OFF)
 
-    MVVM_PROPERTY(QList<QString>, probeList, QList<QString>())
+    MVVM_PROPERTY(QList<QVariant>, probeList, QList<QVariant>({"Pouya", "Mamad"}))
 
     MVVM_PROPERTY(int, currentSelectedProbe1, 0)
     MVVM_PROPERTY(int, currentSelectedProbe2, 0)
diff --git a/ui/emulator/items/TopLeftTop.qml b/ui/emulator/items/TopLeftTop.qml
index 151e32e..34462ab 100644
--- a/ui/emulator/items/TopLeftTop.qml
+++ b/ui/emulator/items/TopLeftTop.qml
@@ -1,28 +1,87 @@
 import QtQuick 2.0
 import QtQuick.Layouts 1.13
+import QtQuick.Controls 2.12
+import de.skycoder42.QtMvvm.Core 1.0
+import de.skycoder42.QtMvvm.Quick 1.0
+import com.example.consoleemulator 1.0
 
 import "qrc:/emulator/elements"
 import "qrc:/emulator/components"
 import "qrc:/const"
+import "qrc:/qtmvvm/views"
 
-RowLayout {
+GridLayout {
     x: 70
     y: 50
-    spacing: 36
+    rowSpacing: 36
+    columns: 4
+
     ProbeButton {
-        name: "probe"
+        name: "probe1"
         image: "qrc:/icons/topLeft/probe.png"
     }
     ProbeButton {
-        name: "probe"
+        name: "probe2"
         image: "qrc:/icons/topLeft/probe.png"
     }
     ProbeButton {
-        name: "probe"
+        name: "probe3"
         image: "qrc:/icons/topLeft/probe.png"
     }
     ProbeButton {
-        name: "probe"
+        name: "probe4"
         image: "qrc:/icons/topLeft/probe.png"
     }
+    property var widthOfBtns: 130
+    property var probeList: []
+
+    MvvmBinding {
+        viewModel: mainView.viewModel
+        viewProperty: "probeList"
+        viewModelProperty: "probeList"
+    }
+    ComboBox {
+        model: probeList
+        width: widthOfBtns
+        implicitWidth: width
+        implicitHeight: 25
+        MvvmBinding {
+            viewModel: mainView.viewModel
+            viewProperty: "currentIndex"
+            viewModelProperty: "currentSelectedProbe1"
+        }
+    }
+    ComboBox {
+        model: probeList
+        width: widthOfBtns
+        implicitWidth: width
+        implicitHeight: 25
+        MvvmBinding {
+            viewModel: mainView.viewModel
+            viewProperty: "currentIndex"
+            viewModelProperty: "currentSelectedProbe2"
+        }
+    }
+    ComboBox {
+        model: probeList
+        width: widthOfBtns
+        implicitWidth: width
+        implicitHeight: 25
+        MvvmBinding {
+            viewModel: mainView.viewModel
+            viewProperty: "currentIndex"
+            viewModelProperty: "currentSelectedProbe3"
+        }
+    }
+    ComboBox {
+        model: probeList
+        width: widthOfBtns
+        implicitWidth: width
+        implicitHeight: 25
+        MvvmBinding {
+            viewModel: mainView.viewModel
+            viewProperty: "currentIndex"
+            viewModelProperty: "currentSelectedProbe4"
+        }
+    }
 }