diff --git a/src/main/java/de/neemann/digital/core/switching/PlainSwitchDT.java b/src/main/java/de/neemann/digital/core/switching/PlainSwitchDT.java
index e794bb5f1..4c4f48ad1 100644
--- a/src/main/java/de/neemann/digital/core/switching/PlainSwitchDT.java
+++ b/src/main/java/de/neemann/digital/core/switching/PlainSwitchDT.java
@@ -114,4 +114,11 @@ public final class PlainSwitchDT implements NodeInterface {
     void addOutputsTo(ObservableValues.Builder ov) {
         ov.add(outputA, outputB, outputC);
     }
+
+    /**
+     * @return the number of bits switched
+     */
+    public int getBits() {
+        return bits;
+    }
 }
diff --git a/src/main/java/de/neemann/digital/core/switching/Relay.java b/src/main/java/de/neemann/digital/core/switching/Relay.java
index 2d1ab7a95..aba7badc2 100644
--- a/src/main/java/de/neemann/digital/core/switching/Relay.java
+++ b/src/main/java/de/neemann/digital/core/switching/Relay.java
@@ -10,13 +10,14 @@ import de.neemann.digital.core.element.Element;
 import de.neemann.digital.core.element.ElementAttributes;
 import de.neemann.digital.core.element.ElementTypeDescription;
 import de.neemann.digital.core.element.Keys;
+import de.neemann.digital.core.stats.Countable;
 
 import static de.neemann.digital.core.element.PinInfo.input;
 
 /**
  * A simple relay.
  */
-public class Relay extends Node implements Element {
+public class Relay extends Node implements Element, Countable {
 
     /**
      * The relays description
@@ -79,4 +80,14 @@ public class Relay extends Node implements Element {
     public boolean isClosed() {
         return s.isClosed();
     }
+
+    @Override
+    public int getDataBits() {
+        return s.getDataBits();
+    }
+
+    @Override
+    public int getInputsCount() {
+        return s.getInputsCount();
+    }
 }
diff --git a/src/main/java/de/neemann/digital/core/switching/RelayDT.java b/src/main/java/de/neemann/digital/core/switching/RelayDT.java
index 1a1da597a..a45e2beab 100644
--- a/src/main/java/de/neemann/digital/core/switching/RelayDT.java
+++ b/src/main/java/de/neemann/digital/core/switching/RelayDT.java
@@ -10,13 +10,14 @@ import de.neemann.digital.core.element.Element;
 import de.neemann.digital.core.element.ElementAttributes;
 import de.neemann.digital.core.element.ElementTypeDescription;
 import de.neemann.digital.core.element.Keys;
+import de.neemann.digital.core.stats.Countable;
 
 import static de.neemann.digital.core.element.PinInfo.input;
 
 /**
  * A simple relay.
  */
-public class RelayDT extends Node implements Element {
+public class RelayDT extends Node implements Element, Countable {
 
     /**
      * The relays description
@@ -76,4 +77,14 @@ public class RelayDT extends Node implements Element {
     public boolean isClosed() {
         return s.isClosed();
     }
+
+    @Override
+    public int getDataBits() {
+        return s.getDataBits();
+    }
+
+    @Override
+    public int getInputsCount() {
+        return s.getInputsCount();
+    }
 }
diff --git a/src/main/java/de/neemann/digital/core/switching/Switch.java b/src/main/java/de/neemann/digital/core/switching/Switch.java
index 537eb54f3..d9eb631ad 100644
--- a/src/main/java/de/neemann/digital/core/switching/Switch.java
+++ b/src/main/java/de/neemann/digital/core/switching/Switch.java
@@ -10,11 +10,12 @@ import de.neemann.digital.core.element.Element;
 import de.neemann.digital.core.element.ElementAttributes;
 import de.neemann.digital.core.element.ElementTypeDescription;
 import de.neemann.digital.core.element.Keys;
+import de.neemann.digital.core.stats.Countable;
 
 /**
  * A simple manually controlled switch
  */
-public class Switch implements Element, NodeInterface {
+public class Switch implements Element, NodeInterface, Countable {
 
     /**
      * The switch description
@@ -103,4 +104,14 @@ public class Switch implements Element, NodeInterface {
     public boolean isClosed() {
         return closed;
     }
+
+    @Override
+    public int getDataBits() {
+        return poles[0].getBits();
+    }
+
+    @Override
+    public int getInputsCount() {
+        return poles.length;
+    }
 }
diff --git a/src/main/java/de/neemann/digital/core/switching/SwitchDT.java b/src/main/java/de/neemann/digital/core/switching/SwitchDT.java
index c267adc1b..baebbfe35 100644
--- a/src/main/java/de/neemann/digital/core/switching/SwitchDT.java
+++ b/src/main/java/de/neemann/digital/core/switching/SwitchDT.java
@@ -10,11 +10,12 @@ import de.neemann.digital.core.element.Element;
 import de.neemann.digital.core.element.ElementAttributes;
 import de.neemann.digital.core.element.ElementTypeDescription;
 import de.neemann.digital.core.element.Keys;
+import de.neemann.digital.core.stats.Countable;
 
 /**
  * A simple double throw switch
  */
-public class SwitchDT implements Element, NodeInterface {
+public class SwitchDT implements Element, NodeInterface, Countable {
 
     /**
      * The switch description
@@ -91,4 +92,14 @@ public class SwitchDT implements Element, NodeInterface {
     public boolean isClosed() {
         return closed;
     }
+
+    @Override
+    public int getDataBits() {
+        return poles[0].getBits();
+    }
+
+    @Override
+    public int getInputsCount() {
+        return poles.length;
+    }
 }