diff --git a/HueUWP/APIHandler.cs b/HueUWP/APIHandler.cs
index 0aacfb2..25ab39f 100755
--- a/HueUWP/APIHandler.cs
+++ b/HueUWP/APIHandler.cs
@@ -60,6 +60,7 @@ namespace HueUWP
                 {
                     l.Hue = rnd.Next(0, 65535);
                     l.Brightness = rnd.Next(128, 254);
+                    l.Saturation = 254;
                     l.UpdateColorDisco();
                 });
                 //"transitiontime": 0
@@ -109,7 +110,6 @@ namespace HueUWP
             try {
                 var json = await nwh.AllLights();
                 JObject o = JObject.Parse(json);
-                Debug.WriteLine(o.ToString()); 
                 foreach(var i in o)
                 {
                     var light = o["" + i.Key];
diff --git a/HueUWP/HueUWP.csproj b/HueUWP/HueUWP.csproj
index aae2ed5..8f0923c 100644
--- a/HueUWP/HueUWP.csproj
+++ b/HueUWP/HueUWP.csproj
@@ -110,6 +110,9 @@
     <Compile Include="MainPage.xaml.cs">
       <DependentUpon>MainPage.xaml</DependentUpon>
     </Compile>
+    <Compile Include="MultiEdit.xaml.cs">
+      <DependentUpon>MultiEdit.xaml</DependentUpon>
+    </Compile>
     <Compile Include="NetworkHandler.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SettingsView.xaml.cs">
@@ -150,6 +153,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Page Include="MultiEdit.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="SettingsView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/HueUWP/HueUWP.sln b/HueUWP/HueUWP.sln
index 6e5e026..a304d8a 100644
--- a/HueUWP/HueUWP.sln
+++ b/HueUWP/HueUWP.sln
@@ -1,40 +1,40 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.23107.0
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HueUWP", "HueUWP.csproj", "{88414ECD-0462-41DE-ABA9-462D2F154595}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|ARM = Debug|ARM
-		Debug|x64 = Debug|x64
-		Debug|x86 = Debug|x86
-		Release|ARM = Release|ARM
-		Release|x64 = Release|x64
-		Release|x86 = Release|x86
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.ActiveCfg = Debug|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.Build.0 = Debug|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.Deploy.0 = Debug|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.ActiveCfg = Debug|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.Build.0 = Debug|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.Deploy.0 = Debug|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.ActiveCfg = Debug|x86
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.Build.0 = Debug|x86
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.Deploy.0 = Debug|x86
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.ActiveCfg = Release|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.Build.0 = Release|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.Deploy.0 = Release|ARM
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.ActiveCfg = Release|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.Build.0 = Release|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.Deploy.0 = Release|x64
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.ActiveCfg = Release|x86
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.Build.0 = Release|x86
-		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.Deploy.0 = Release|x86
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.23107.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HueUWP", "HueUWP.csproj", "{88414ECD-0462-41DE-ABA9-462D2F154595}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|ARM = Release|ARM
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.ActiveCfg = Debug|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.Build.0 = Debug|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|ARM.Deploy.0 = Debug|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.ActiveCfg = Debug|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.Build.0 = Debug|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x64.Deploy.0 = Debug|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.ActiveCfg = Debug|x86
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.Build.0 = Debug|x86
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Debug|x86.Deploy.0 = Debug|x86
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.ActiveCfg = Release|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.Build.0 = Release|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|ARM.Deploy.0 = Release|ARM
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.ActiveCfg = Release|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.Build.0 = Release|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x64.Deploy.0 = Release|x64
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.ActiveCfg = Release|x86
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.Build.0 = Release|x86
+		{88414ECD-0462-41DE-ABA9-462D2F154595}.Release|x86.Deploy.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/HueUWP/MainPage.xaml b/HueUWP/MainPage.xaml
index 69cc931..002e06a 100644
--- a/HueUWP/MainPage.xaml
+++ b/HueUWP/MainPage.xaml
@@ -33,10 +33,10 @@
 
         <RelativePanel Grid.Row="2" Margin="0,10,0,0" Name="LightListPanel">
             <ScrollViewer RelativePanel.AlignBottomWithPanel="True" RelativePanel.AlignTopWithPanel="True">
-            <ListView x:Name="myListView" ItemsSource="{Binding}" IsItemClickEnabled="True" ItemClick="myListView_ItemClick" >
+            <ListView x:Name="myListView" ItemsSource="{Binding}" IsItemClickEnabled="True" ItemClick="myListView_ItemClick" SelectionMode="Extended">
                 <ListView.ItemTemplate>
                     <DataTemplate x:Name="dataTemplate">
-                        <StackPanel Orientation="Horizontal">
+                        <StackPanel Orientation="Horizontal" >
                             <Rectangle Width="30" Height="30" Fill="{Binding Color}" Margin="20,0,0,0" />
 
                             <StackPanel Orientation="Vertical" Width="140" Margin="10,0,0,0">
@@ -61,7 +61,10 @@
 
     <Page.BottomAppBar>
         <CommandBar>
+            <AppBarButton Icon="Edit" Label="Change values" Name="ValuesButton" Click="ValuesButton_Click" Visibility="Collapsed"/>
+            <AppBarButton Icon="Like" Label="On/Off" Name="OnOffButton" Click="OnOffButton_Click" Visibility="Collapsed"/>
             <AppBarToggleButton Icon="Audio" Label="Disco" Name="DiscoButton" Click="DiscoButton_Click"/>
+            <AppBarToggleButton Icon="Save" Label="Group" Name="GroupButton" Click="GroupButton_Click"/>
             <AppBarButton Icon="Setting" Label="Settings" Click="SettingsButton_Click"/>
             <AppBarButton Icon="Refresh" Label="Refresh" Click="RefreshButton_Click"/>
             <AppBarSeparator/>
diff --git a/HueUWP/MainPage.xaml.cs b/HueUWP/MainPage.xaml.cs
index cd5358a..ad6983e 100644
--- a/HueUWP/MainPage.xaml.cs
+++ b/HueUWP/MainPage.xaml.cs
@@ -1,3 +1,5 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -126,5 +128,52 @@ namespace HueUWP
             else
                 api.DiscoMode(false);
         }
+
+        private void GroupButton_Click(object sender, RoutedEventArgs e)
+        {
+
+            if ((bool)GroupButton.IsChecked)
+            {
+                myListView.IsItemClickEnabled = false;
+                myListView.SelectionMode = ListViewSelectionMode.Multiple;
+                OnOffButton.Visibility = Visibility.Visible;
+                ValuesButton.Visibility = Visibility.Visible;
+            }
+            else
+            {
+                myListView.IsItemClickEnabled = true;
+                myListView.SelectionMode = ListViewSelectionMode.Single;
+                OnOffButton.Visibility = Visibility.Collapsed;
+                ValuesButton.Visibility = Visibility.Collapsed;
+            }
+
+        }
+
+        private void OnOffButton_Click(object sender, RoutedEventArgs e)
+        {
+            if ((bool)GroupButton.IsChecked)
+            {
+                foreach(var v in myListView.SelectedItems)
+                {
+                    ((Light)v).UpdateState(!((Light)v).IsOn);
+                }
+            }
+        }
+
+        public ListView GetListView()
+        {
+            return myListView;
+        }
+
+        //hue.imegumii.space
+        private void ValuesButton_Click(object sender, RoutedEventArgs e)
+        {
+            if ((bool)GroupButton.IsChecked)
+            {
+                Frame rootframe = Window.Current.Content as Frame;
+                if (myListView.SelectedItems != null)
+                    rootframe.Navigate(typeof(MultiEdit), this);
+            }
+        }
     }
 }
diff --git a/HueUWP/MultiEdit.xaml b/HueUWP/MultiEdit.xaml
new file mode 100755
index 0000000..dfc6641
--- /dev/null
+++ b/HueUWP/MultiEdit.xaml
@@ -0,0 +1,61 @@
+<Page
+    x:Class="HueUWP.MultiEdit"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:HueUWP"
+    xmlns:convert="using:HueUWP.Converters"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:ctrl="using:Windows.UI.Xaml.Controls.Control"
+    mc:Ignorable="d">
+
+    <Page.Resources>
+        <convert:NullableBooleanConverter x:Key="BoolConverter"/>
+        <convert:VisibilityConverter x:Key="VisibilityConverter"/>
+    </Page.Resources>
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <RelativePanel Grid.Row="0">
+            <TextBlock RelativePanel.AlignLeftWithPanel="True" FontSize="24" Margin="20,10,0,0" Text="MultiEdit"/>
+        </RelativePanel>
+        <RelativePanel Grid.Row="1">
+            <TextBlock RelativePanel.AlignLeftWithPanel="True" FontSize="14" Margin="20,10,0,0" Text="Multiple Lamps"/>
+        </RelativePanel>
+        <RelativePanel Grid.Row="2">
+            <Rectangle Fill="{Binding color}" Name="ColorRectangle" RelativePanel.AlignLeftWithPanel="True" RelativePanel.AlignRightWithPanel="True" Height="20" Margin="0,10,0,10" />
+        </RelativePanel>
+
+        <StackPanel Grid.Row="3">
+            <ToggleSwitch Margin="20,10,0,10" Toggled="ToggleSwitch_Toggled" IsOn="False">
+                <ToggleSwitch.OffContent>Off</ToggleSwitch.OffContent>
+                <ToggleSwitch.OnContent>On</ToggleSwitch.OnContent>
+            </ToggleSwitch>
+        </StackPanel>
+
+        <StackPanel Grid.Row="4">
+            <StackPanel Margin="20,10,20,0" Visibility="Visible">
+                <TextBlock FontSize="18">Hue</TextBlock>
+                <Slider Maximum="65535" Name="HueSlider" Value="{Binding hue, Mode=TwoWay}" ValueChanged="Slider_ValueChanged" PointerCaptureLost="Slider_Released"/>
+            </StackPanel>
+
+            <StackPanel Margin="20,10,20,0" Visibility="Visible">
+                <TextBlock FontSize="18">Saturation</TextBlock>
+                <Slider Maximum="254" Name="SaturationSlider" Value="{Binding sat, Mode=TwoWay}" ValueChanged="Slider_ValueChanged" PointerCaptureLost="Slider_Released" />
+            </StackPanel>
+
+            <StackPanel Margin="20,10,20,0">
+                <TextBlock FontSize="18">Brightness</TextBlock>
+                <Slider Maximum="254" Name="BrightnessSlider" Value="{Binding bri, Mode=TwoWay}" ValueChanged="Slider_ValueChanged" PointerCaptureLost="Slider_Released"/>
+            </StackPanel>
+
+        </StackPanel>
+    </Grid>
+</Page>
diff --git a/HueUWP/MultiEdit.xaml.cs b/HueUWP/MultiEdit.xaml.cs
new file mode 100755
index 0000000..6188d2e
--- /dev/null
+++ b/HueUWP/MultiEdit.xaml.cs
@@ -0,0 +1,78 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+using Windows.UI.Xaml.Data;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Navigation;
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+namespace HueUWP
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class MultiEdit : Page
+    {
+        IList<Light> lights = new List<Light>();
+        MainPage main;
+        int hue = 65535;
+        int sat = 254;
+        int bri = 254;
+
+        public MultiEdit()
+        {
+            this.InitializeComponent();
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            main = e.Parameter as MainPage;
+            foreach(var v in main.GetListView().SelectedItems)
+            {
+                Light l = (Light)v;
+                lights.Add(l);
+            }
+            this.DataContext = this;
+        }
+
+
+        private void Slider_ValueChanged(object sender, RangeBaseValueChangedEventArgs e)
+        {
+            //l.UpdateColor();
+        }
+
+        private void Slider_Released(object sender, PointerRoutedEventArgs e)
+        {
+            foreach(var l in lights)
+            {
+                l.Hue = HueSlider.Value;
+                l.Saturation = SaturationSlider.Value;
+                l.Brightness = BrightnessSlider.Value;
+                ColorRectangle.Fill = new SolidColorBrush(ColorUtil.getColor(l));
+                l.UpdateColor();
+            }
+        }
+
+        private void ToggleSwitch_Toggled(object sender, RoutedEventArgs e)
+        {
+            ToggleSwitch button = ((ToggleSwitch)sender);
+            foreach(var l in lights)
+            {
+                
+                l.UpdateState(button.IsOn);
+            }
+                
+        }
+    }
+}