diff --git a/src/main/java/inc/sdt/controlcentermanagement/domain/Tube.java b/src/main/java/inc/sdt/controlcentermanagement/domain/Tube.java
index af11073..7edf063 100644
--- a/src/main/java/inc/sdt/controlcentermanagement/domain/Tube.java
+++ b/src/main/java/inc/sdt/controlcentermanagement/domain/Tube.java
@@ -5,29 +5,35 @@ package inc.sdt.controlcentermanagement.domain;
  */
 public class Tube {
     private String code;
-    private String offset;
-
+    private Float voltageOffset;
+    private Float ampereOffset;
     protected Tube() {
     }
 
-    public Tube(String code, String offset) {
+    public Tube(String code, Float voltageOffset, Float ampereOffset) {
         this.code = code;
-        this.offset = offset;
+        this.voltageOffset = voltageOffset;
+        this.ampereOffset = ampereOffset;
     }
 
     public String getCode() {
         return code;
     }
 
-    public String getOffset() {
-        return offset;
+    public Float getVoltageOffset() {
+        return voltageOffset;
+    }
+
+    public Float getAmpereOffset() {
+        return ampereOffset;
     }
 
     @Override
     public String toString() {
         return "Tube{" +
-                "number='" + code + '\'' +
-                ", offset=" + offset +
+                "code='" + code + '\'' +
+                ", voltageOffset=" + voltageOffset +
+                ", ampereOffset=" + ampereOffset +
                 '}';
     }
 }
diff --git a/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepository.java b/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepository.java
index 31ee454..5bb78d2 100644
--- a/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepository.java
+++ b/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepository.java
@@ -40,7 +40,7 @@ public class SlotNoSQLRepository implements SlotRepositoryDelegate {
                 .chamberNumber(slotDocument.getChamberNumber())
                 .tube(slotDocument.getTube()
                         .stream()
-                        .map(tubeDocument -> new Tube(tubeDocument.getCode(), tubeDocument.getOffset()))
+                        .map(tubeDocument -> new Tube(tubeDocument.getCode(), tubeDocument.getVoltageOffset(), tubeDocument.getAmpereOffset()))
                         .toList())
                 .build();
     }
diff --git a/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/TubeDocument.java b/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/TubeDocument.java
index c66e69a..6083313 100644
--- a/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/TubeDocument.java
+++ b/src/main/java/inc/sdt/controlcentermanagement/infrastructure/nosql/TubeDocument.java
@@ -5,26 +5,33 @@ package inc.sdt.controlcentermanagement.infrastructure.nosql;
  */
 public class TubeDocument {
     private String code;
-    private String offset;
+    private Float voltageOffset;
+    private Float ampereOffset;
 
-    public TubeDocument(String code, String offset) {
+    public TubeDocument(String code, Float voltageOffset, Float ampereOffset) {
         this.code = code;
-        this.offset = offset;
+        this.voltageOffset = voltageOffset;
+        this.ampereOffset = ampereOffset;
     }
 
     public String getCode() {
         return code;
     }
 
-    public String getOffset() {
-        return offset;
+    public Float getVoltageOffset() {
+        return voltageOffset;
+    }
+
+    public Float getAmpereOffset() {
+        return ampereOffset;
     }
 
     @Override
     public String toString() {
         return "TubeDocument{" +
-                "id='" + code + '\'' +
-                ", offset=" + offset +
+                "code='" + code + '\'' +
+                ", voltageOffset=" + voltageOffset +
+                ", ampereOffset=" + ampereOffset +
                 '}';
     }
 }
diff --git a/src/test/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepositoryTest.java b/src/test/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepositoryTest.java
index db31b60..e46ad70 100644
--- a/src/test/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepositoryTest.java
+++ b/src/test/java/inc/sdt/controlcentermanagement/infrastructure/nosql/SlotNoSQLRepositoryTest.java
@@ -29,7 +29,7 @@ class SlotNoSQLRepositoryTest {
 
     private Slot to(SlotDocument slotDocument) {
         List<Tube> tube = slotDocument.getTube().stream()
-                .map(tubeDocument -> new Tube(tubeDocument.getCode(), tubeDocument.getOffset())).toList();
+                .map(tubeDocument -> new Tube(tubeDocument.getCode(), tubeDocument.getVoltageOffset(), tubeDocument.getAmpereOffset())).toList();
         return Slot.builder()
                 .id(slotDocument.getId())
                 .slotNumber(slotDocument.getSlotNumber())