diff --git a/Matomat/Automat.cs b/Matomat/Automat.cs
index 61acad8..efa0aa8 100644
--- a/Matomat/Automat.cs
+++ b/Matomat/Automat.cs
@@ -32,6 +32,13 @@ namespace Matomat
                 prod = this.findProd(prodid.id);
                 if(!prod.vaild())
                     return;
+                this.showProdInfo(prod);
+                if (prod.GetProdType() == Prod.ProdType.product)
+                {
+                    this.sell(prod, user);
+                }
+
+                
             }
             else if (input.type == InputData.types.Prod)
             {
@@ -42,22 +49,51 @@ namespace Matomat
             }
         }
 
-        private void showProdInfo(Prod prod)
+        private void sell(Prod prod, User user)
         {
             throw new NotImplementedException();
         }
 
-        private Prod findProd(int p)
+        private void showProdInfo(Prod prod)
         {
-            throw new NotImplementedException();
+            if (prod.GetProdType() == Prod.ProdType.product)
+            {
+                long id = prod.GetProdId();
+                double price = prod.GetProdPrice();
+                string name = prod.GetProdName();
+                this.lcd.print("²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²" +
+                               "² Produkt: " + name.PadRight(27, ' ') + " ²" +
+                               "² Preis: " + price.ToString(2).PadLeft(6, ' ') + "€ EAN13: " + id.ToString().PadRight(14, ' ') + " ²" +
+                               "²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²", 5);
+            }
+            if (prod.GetProdType() == Prod.ProdType.instruction)
+            {
+                string name = prod.GetFunctName();
+                this.lcd.print("²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²" +
+                               "² Instruktion: " + name.PadRight(23, ' ') + " ²" +
+                               "² AdminCard + Instruction + TargetCard ²" +
+                               "²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²", 5);
+            }
+        }
+
+        private Prod findProd(long prodid)
+        {
+            return new Prod(prodid);
         }
 
         private void showUserInfo(User user)
         {
-            lcd.print("User x",5);
+            string name = user.GetUserName();
+            int konto = user.GetUserKonto();
+            long id = user.GetUserId();
+            int all = user.GetUserAll();
+            lcd.print("²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²" +
+                      "² User: " + name.PadRight(8, ' ') + "       Betrag: " + (konto.ToString() + " €").PadRight(7, ' ') + " ²" +
+                      "² UserID: " + id.ToString().PadRight(12, ' ') + " Gesamt: " + (all.ToString() + " €").PadRight(7, ' ') + " ²" +
+                      "²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²", 5);
         }
 
-        private User findUser(int userId)
+        private User findUser(long userId)
         {
             return new User(userId);
         }
diff --git a/Matomat/BarcodeReader.cs b/Matomat/BarcodeReader.cs
index f3a75cd..b85a97c 100644
--- a/Matomat/BarcodeReader.cs
+++ b/Matomat/BarcodeReader.cs
@@ -9,8 +9,7 @@ namespace Matomat
     {
         internal long getCodeID()
         {
-            Console.ReadKey();
-            return 1234567890123;
+            return 4029764001807;
         }
     }
 }
diff --git a/Matomat/Helper.cs b/Matomat/Helper.cs
index a520730..fffc7d4 100644
--- a/Matomat/Helper.cs
+++ b/Matomat/Helper.cs
@@ -51,5 +51,12 @@ namespace Matomat
             return b.Substring(start, b.Length);
         }
     }
+    public static class Double
+    {
+        public static string ToString(this double d, int f)
+        {
+            return "1.00";
+        }
+    }
                 
 }
diff --git a/Matomat/Input.cs b/Matomat/Input.cs
index 8bfc220..2ec9128 100644
--- a/Matomat/Input.cs
+++ b/Matomat/Input.cs
@@ -20,7 +20,7 @@ namespace Matomat
             None
         }
         public types type { get; set; }
-        public int id { get; set; }
+        public long id { get; set; }
     }
     class Input
     {
@@ -40,17 +40,23 @@ namespace Matomat
         static List<instance> instances;
         private InputData data;
         private RFIDReader rfid;
+        private BarcodeReader code;
         public Input()
         {
             rfid = new RFIDReader();
+            code = new BarcodeReader();
         }
         private void doWorkCard()
         {
             while (true)
             {
                 Thread.Sleep(1);
-                data.id = rfid.getCardID();
-                data.type = InputData.types.Card;
+                char k = 'r';
+                if (k == 'r')
+                {
+                    data.id = rfid.getCardID();
+                    data.type = InputData.types.Card;
+                }
             }
             
         }
@@ -59,6 +65,13 @@ namespace Matomat
             while (true)
             {
                 Thread.Sleep(1);
+                char k = Console.ReadKey(false).KeyChar;
+                Console.WriteLine();
+                if (k == 'b')
+                {
+                    data.id = code.getCodeID();
+                    data.type = InputData.types.Prod;
+                }
             }
         }
         internal InputData getAnyInput(int timeout)
diff --git a/Matomat/LCDDisplay.cs b/Matomat/LCDDisplay.cs
index 4bb4ee9..f0b3508 100644
--- a/Matomat/LCDDisplay.cs
+++ b/Matomat/LCDDisplay.cs
@@ -55,11 +55,19 @@ namespace Matomat
         private Queue<Message> messages;
         private volatile bool _shouldStop;
         private SerialPort serialPort;
+        private bool disable = false;
 
         public LCDDisplay(Comport port)
         {
             this.serialPort = new SerialPort(port.port, port.bautrate, port.parity, port.databits, port.stopbits);
-            this.serialPort.Open();
+            try
+            {
+                this.serialPort.Open();
+            }
+            catch (Exception)
+            {
+                this.disable = true;
+            }
             messages = new Queue<Message>();
             Thread workerThread = new Thread(this.DoWork);
             workerThread.Start();
@@ -87,9 +95,18 @@ namespace Matomat
 
         private void display(string text, Status status)
         {
+            if (status == Status.Warn)
+            {
+                Console.Beep();
+            }
+            if (status == Status.Error)
+            {
+                Console.Beep();
+                Console.Beep();
+            }
             Console.WriteLine(text);
             this.displayClear();
-            byte[] btext = text.ToCharArray("ÄÖÜäöüß²", new byte[] { 0xE1, 0xEF, 0xF5, 0xE1, 0xEF, 0xF5, 0xE2, 0xFF });
+            byte[] btext = text.ToCharArray("ÄÖÜäöüß²€", new byte[] { 0xE1, 0xEF, 0xF5, 0xE1, 0xEF, 0xF5, 0xE2, 0xFF, 0xFF});
             byte[] upper;
             byte[] lower;
             if (text.Length > 80)
@@ -119,13 +136,19 @@ namespace Matomat
 
         private void displayCode(byte[] p)
         {
-            this.serialPort.Write(p, 0, p.Length);
+            if (!disable)
+            {
+                this.serialPort.Write(p, 0, p.Length);
+            }
         }
 
         private void displayEscCode(string code)
         {
             this.displayCode(new byte[] { 0x1b });
-            this.serialPort.Write(code);
+            if (!disable)
+            {
+                this.serialPort.Write(code);
+            }
             this.displayCode(new byte[] { 0x0d });
         }
         public enum Status
diff --git a/Matomat/Prod.cs b/Matomat/Prod.cs
index 72c2d14..311d5fb 100644
--- a/Matomat/Prod.cs
+++ b/Matomat/Prod.cs
@@ -7,9 +7,65 @@ namespace Matomat
 {
     class Prod
     {
+        private long prodId;
+        private bool found;
+        private ProdType type;
+        public enum ProdType
+        {
+            product,
+            instruction
+        }
+
+        public Prod(long prodId)
+        {
+            this.prodId = prodId;
+            this.load();
+        }
+
+        private void load()
+        {
+            if (true)
+                this.found = true;
+            this.type = ProdType.instruction;
+        }
+
         internal bool vaild()
         {
-            throw new NotImplementedException();
+            LCDDisplay lcd = Factory.getLCDDisplay();
+            if (!found)
+            {
+                lcd.print("²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²"+
+                          "² Produkt wurde nich gefunden          ²"+
+                          "² EAN13: "+(this.GetProdId().ToString()+" unbekannt").PadRight(29,' ')+" ²"+
+                          "²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²", LCDDisplay.Status.Error, 5);
+                return false;
+            }
+            return true;
+        }
+
+        internal ProdType GetProdType()
+        {
+            return this.type;
+        }
+
+        internal long GetProdId()
+        {
+            return this.prodId;
+        }
+
+        internal double GetProdPrice()
+        {
+            return 1.0;
+        }
+
+        internal string GetProdName()
+        {
+            return "Mate-Cola";
+        }
+
+        internal string GetFunctName()
+        {
+            return "aufladen(10);";
         }
     }
 }
diff --git a/Matomat/RFIDReader.cs b/Matomat/RFIDReader.cs
index a6deb60..f3d413e 100644
--- a/Matomat/RFIDReader.cs
+++ b/Matomat/RFIDReader.cs
@@ -7,10 +7,9 @@ namespace Matomat
 {
     class RFIDReader
     {
-        internal int getCardID()
+        internal long getCardID()
         {
-            Console.ReadKey();
-            return 0x1234;
+            return 0xFFFFFFFF;
         }
     }
 }
diff --git a/Matomat/User.cs b/Matomat/User.cs
index 9a32600..32f7e2b 100644
--- a/Matomat/User.cs
+++ b/Matomat/User.cs
@@ -7,10 +7,10 @@ namespace Matomat
 {
     class User
     {
-        private int userId;
+        private long userId;
         private bool found;
 
-        public User(int userId)
+        public User(long userId)
         {
             // TODO: Complete member initialization
             this.userId = userId;
@@ -34,5 +34,25 @@ namespace Matomat
             return true;
         }
 
+
+        internal string GetUserName()
+        {
+            return "pschel2s";
+        }
+
+        internal int GetUserKonto()
+        {
+            return 15;
+        }
+
+        internal long GetUserId()
+        {
+            return this.userId;
+        }
+
+        internal int GetUserAll()
+        {
+            return 35;
+        }
     }
 }