diff --git a/invesalius/constants.py b/invesalius/constants.py
index 7fa2326..95b814c 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -519,6 +519,8 @@ ID_CREATE_MASK = wx.NewId()
 ID_GOTO_SLICE = wx.NewId()
 ID_GOTO_COORD = wx.NewId()
 
+ID_MANUAL_WWWL = wx.NewId()
+
 #---------------------------------------------------------
 STATE_DEFAULT = 1000
 STATE_WL = 1001
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index e7ec0ff..9510d7d 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -3989,3 +3989,73 @@ class SetCOMport(wx.Dialog):
 
     def GetValue(self):
         return self.com_ports.GetString(self.com_ports.GetSelection())
+
+
+class ManualWWWLDialog(wx.Dialog):
+    def __init__(self, parent):
+        wx.Dialog.__init__(self, parent, -1, _("Set WW&WL manually"))
+        self._init_gui()
+
+    def _init_gui(self):
+        import invesalius.data.slice_ as slc
+        ww = slc.Slice().window_width
+        wl = slc.Slice().window_level
+
+        self.txt_wl = wx.TextCtrl(self, -1, str(int(wl)))
+        wl_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        wl_sizer.Add(wx.StaticText(self, -1, _("Window Level")), 0, wx.ALIGN_CENTER_VERTICAL)
+        wl_sizer.Add(self.txt_wl, 1, wx.ALL | wx.EXPAND, 5)
+        wl_sizer.Add(wx.StaticText(self, -1, _("WL")), 0, wx.ALIGN_CENTER_VERTICAL)
+
+        self.txt_ww = wx.TextCtrl(self, -1, str(int(ww)))
+        ww_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        ww_sizer.Add(wx.StaticText(self, -1, _("Window Width")), 0, wx.ALIGN_CENTER_VERTICAL)
+        ww_sizer.Add(self.txt_ww, 1, wx.ALL | wx.EXPAND, 5)
+        ww_sizer.Add(wx.StaticText(self, -1, _("WW")), 0, wx.ALIGN_CENTER_VERTICAL)
+
+        btn_ok = wx.Button(self, wx.ID_OK)
+        btn_cancel = wx.Button(self, wx.ID_CANCEL)
+        btnsizer = wx.StdDialogButtonSizer()
+        btnsizer.AddButton(btn_ok)
+        btnsizer.AddButton(btn_cancel)
+        btnsizer.Realize()
+
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+        main_sizer.Add(wl_sizer, 1, wx.ALL | wx.EXPAND, 5)
+        main_sizer.Add(ww_sizer, 1, wx.ALL | wx.EXPAND, 5)
+        main_sizer.Add(btnsizer, 1, wx.ALL | wx.EXPAND, 5)
+
+        btn_ok.Bind(wx.EVT_BUTTON, self.OnOK)
+        btn_cancel.Bind(wx.EVT_BUTTON, self.OnCancel)
+        self.Bind(wx.EVT_CLOSE, self.OnClose)
+
+        self.SetSizer(main_sizer)
+        main_sizer.Fit(self)
+        main_sizer.SetSizeHints(self)
+
+        self.Layout()
+        self.Center()
+
+    def OnOK(self, evt):
+        try:
+            ww = int(self.txt_ww.GetValue())
+            wl = int(self.txt_wl.GetValue())
+        except ValueError:
+            self.Close()
+            return
+
+        Publisher.sendMessage('Bright and contrast adjustment image', window=ww, level=wl)
+        const.WINDOW_LEVEL['Manual'] = (ww, wl)
+        Publisher.sendMessage('Check window and level other')
+        Publisher.sendMessage('Update window level value', window=ww, level=wl)
+        #Necessary update the slice plane in the volume case exists
+        Publisher.sendMessage('Update slice viewer')
+        Publisher.sendMessage('Render volume viewer')
+
+        self.Close()
+
+    def OnCancel(self, evt):
+        self.Close()
+
+    def OnClose(self, evt):
+        self.Destroy()
diff --git a/invesalius/gui/frame.py b/invesalius/gui/frame.py
index 4aa8a92..3aa23c6 100644
--- a/invesalius/gui/frame.py
+++ b/invesalius/gui/frame.py
@@ -478,6 +478,10 @@ class Frame(wx.Frame):
             ddlg = dlg.MaskDensityDialog(self)
             ddlg.Show()
 
+        elif id == const.ID_MANUAL_WWWL:
+            wwwl_dlg = dlg.ManualWWWLDialog(self)
+            wwwl_dlg.Show()
+
         elif id == const.ID_THRESHOLD_SEGMENTATION:
             Publisher.sendMessage("Show panel", panel_id=const.ID_THRESHOLD_SEGMENTATION)
             Publisher.sendMessage('Disable actual style')
@@ -818,7 +822,8 @@ class MenuBar(wx.MenuBar):
                              const.ID_MASK_DENSITY_MEASURE,
                              const.ID_CREATE_SURFACE,
                              const.ID_CREATE_MASK,
-                             const.ID_GOTO_SLICE]
+                             const.ID_GOTO_SLICE,
+                             const.ID_MANUAL_WWWL]
         self.__init_items()
         self.__bind_events()
 
@@ -981,6 +986,7 @@ class MenuBar(wx.MenuBar):
 
         mask_density_menu = image_menu.Append(const.ID_MASK_DENSITY_MEASURE, _(u'Mask Density measure'))
         reorient_menu = image_menu.Append(const.ID_REORIENT_IMG, _(u'Reorient image\tCtrl+Shift+R'))
+        image_menu.Append(const.ID_MANUAL_WWWL, _("Set WW&&WL manually"))
 
         reorient_menu.Enable(False)
         tools_menu.Append(-1, _(u'Image'), image_menu)
--
libgit2 0.21.2