diff --git a/hal/include/IHalCpp.h b/hal/include/IHalCpp.h
index 5d8f3b5..6c4e10e 100644
--- a/hal/include/IHalCpp.h
+++ b/hal/include/IHalCpp.h
@@ -71,7 +71,7 @@ public:
     {
         return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION);
     }
-    virtual StatusCode GetLedName(std::string &LedName) { return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION); }
+    virtual std::string GetLedName(void) { return "undefine"; }
 };
 
 #if 0
@@ -83,7 +83,7 @@ public:
 
     // StatusCode SetLedHalOwner(std::shared_ptr<VLedHalOwner> owner) override;
     StatusCode SetHalLedState(const HalLedState &state) override;
-    StatusCode GetLedName(std::string &LedName) override;
+    std::string GetLedName(void) override;
 
 private:
     // VLedHalOwner m_LedHalOwner;
@@ -101,7 +101,7 @@ public:
     static std::shared_ptr<IHalCpp> &GetInstance(std::shared_ptr<IHalCpp> *impl = nullptr);
     virtual StatusCode Init(void) { return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION); }
     virtual StatusCode UnInit(void) { return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION); }
-    virtual StatusCode GetLedHal(std::vector<std::shared_ptr<VLedHal>> &ledHals)
+    virtual StatusCode GetLedHals(std::vector<std::shared_ptr<VLedHal>> &ledHals)
     {
         return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION);
     }
diff --git a/hal/src/HalCpp.cpp b/hal/src/HalCpp.cpp
index 095c22b..d6ee8d0 100644
--- a/hal/src/HalCpp.cpp
+++ b/hal/src/HalCpp.cpp
@@ -24,7 +24,7 @@ StatusCode HalCpp::UnInit(void)
     LogInfo("HalCpp::UnInit\n");
     return CreateStatusCode(STATUS_CODE_OK);
 }
-StatusCode HalCpp::GetLedHal(std::vector<std::shared_ptr<VLedHal>> &ledHals)
+StatusCode HalCpp::GetLedHals(std::vector<std::shared_ptr<VLedHal>> &ledHals)
 {
     ledHals = mLedHals;
     return CreateStatusCode(STATUS_CODE_OK);
diff --git a/hal/src/HalCpp.h b/hal/src/HalCpp.h
index 09191f7..4185a94 100644
--- a/hal/src/HalCpp.h
+++ b/hal/src/HalCpp.h
@@ -22,7 +22,7 @@ public:
     virtual ~HalCpp() = default;
     StatusCode Init(void) override;
     StatusCode UnInit(void) override;
-    StatusCode GetLedHal(std::vector<std::shared_ptr<VLedHal>> &ledHals) override;
+    StatusCode GetLedHals(std::vector<std::shared_ptr<VLedHal>> &ledHals) override;
 
 private:
     std::vector<std::shared_ptr<VLedHal>> mLedHals;
diff --git a/middleware/DeviceManager/include/IDeviceManager.h b/middleware/DeviceManager/include/IDeviceManager.h
index 2545fa0..4ba7538 100644
--- a/middleware/DeviceManager/include/IDeviceManager.h
+++ b/middleware/DeviceManager/include/IDeviceManager.h
@@ -48,18 +48,6 @@ enum LedState
     LED_STATE_END
 };
 
-class VLedManager
-{
-public:
-    VLedManager() = default;
-    ~VLedManager() = default;
-    virtual StatusCode SetLedState(std::string ledName, LedState &CurrentState, const unsigned int &KeepAliveTime,
-                                   const unsigned int &BlinkPeriod)
-    {
-        return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION);
-    }
-};
-
 class IDeviceManager
 {
 public:
@@ -69,8 +57,11 @@ public:
     virtual const StatusCode Init(void) { return CreateStatusCode(STATUS_CODE_OK); }
     virtual const StatusCode UnInit(void) { return CreateStatusCode(STATUS_CODE_OK); }
     virtual const IpcMission GetIpcMissiony(void) { return IpcMission::END; }
-    // virtual const StatusCode GetLedManager(std::vector<std::shared_ptr<VLedManager>> &ledManagers) { return
-    // CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION); }
+    virtual const StatusCode ISetLedState(std::string ledName, LedState &CurrentState,
+                                          const unsigned int &KeepAliveTime, const unsigned int &BlinkPeriod)
+    {
+        return CreateStatusCode(STATUS_CODE_VIRTUAL_FUNCTION);
+    }
 };
 bool CreateDeviceManagerModule(void);
 #endif
\ No newline at end of file
diff --git a/middleware/DeviceManager/src/DeviceManager.cpp b/middleware/DeviceManager/src/DeviceManager.cpp
index 7ebd017..ab97471 100644
--- a/middleware/DeviceManager/src/DeviceManager.cpp
+++ b/middleware/DeviceManager/src/DeviceManager.cpp
@@ -19,16 +19,17 @@
 const StatusCode DeviceManager::Init(void)
 {
     std::vector<std::shared_ptr<VLedHal>> ledHals;
-    IHalCpp::GetInstance()->GetLedHal(ledHals);
+    IHalCpp::GetInstance()->GetLedHals(ledHals);
 
     for (auto it = ledHals.begin(); it != ledHals.end(); ++it) {
         std::shared_ptr<VLedHal> ledHal = *it;
         std::shared_ptr<LedManager> ledOut =
-            std::make_shared<LedManager>(ledHal, NEW_LED_STATE, DEFAULT_KEEP_ALIVE_TIME, BLINKING_FAST_MS);
+            std::make_shared<LedManager>(ledHal, NEW_LED_STATE, DEFAULT_KEEP_ALIVE_TIME, LED_NOT_BLINK);
         mLedManagers.push_back(ledOut);
     }
     return CreateStatusCode(STATUS_CODE_OK);
 }
+
 const StatusCode DeviceManager::UnInit(void)
 {
     if (!mLedManagers.empty()) {
@@ -37,4 +38,18 @@ const StatusCode DeviceManager::UnInit(void)
 
     return CreateStatusCode(STATUS_CODE_OK);
 }
+
 const IpcMission DeviceManager::GetIpcMissiony(void) { return IpcMission::TEST; }
+
+const StatusCode DeviceManager::ISetLedState(std::string ledName, LedState &CurrentState,
+                                             const unsigned int &KeepAliveTime, const unsigned int &BlinkPeriod)
+{
+    for (auto it = mLedManagers.begin(); it != mLedManagers.end(); ++it) {
+        std::shared_ptr<LedManager> ledOut = *it;
+        if (ledOut->GetLedHal()->GetLedName() == ledName) {
+            ledOut->SetLedState(CurrentState, KeepAliveTime, BlinkPeriod);
+            return CreateStatusCode(STATUS_CODE_OK);
+        }
+    }
+    return CreateStatusCode(STATUS_CODE_NOT_OK);
+}
diff --git a/middleware/DeviceManager/src/DeviceManager.h b/middleware/DeviceManager/src/DeviceManager.h
index c810df1..0e53ad7 100644
--- a/middleware/DeviceManager/src/DeviceManager.h
+++ b/middleware/DeviceManager/src/DeviceManager.h
@@ -26,9 +26,12 @@ public:
     const StatusCode Init(void) override;
     const StatusCode UnInit(void) override;
     const IpcMission GetIpcMissiony(void) override;
-    // const StatusCode GetLedManager(std::vector<std::shared_ptr<VLedManager>> &ledManagers) override;
+    const StatusCode ISetLedState(std::string ledName, LedState &CurrentState,
+                                  const unsigned int &KeepAliveTime = DEFAULT_KEEP_ALIVE_TIME,
+                                  const unsigned int &BlinkPeriod = LED_NOT_BLINK) override;
+
 private:
-    std::vector<std::shared_ptr<VLedManager>> mLedManagers;
+    std::vector<std::shared_ptr<LedManager>> mLedManagers;
 };
 
 #endif
diff --git a/middleware/DeviceManager/src/LedManager.cpp b/middleware/DeviceManager/src/LedManager.cpp
index b23ac37..eceb2cc 100644
--- a/middleware/DeviceManager/src/LedManager.cpp
+++ b/middleware/DeviceManager/src/LedManager.cpp
@@ -20,10 +20,11 @@ LedManager::LedManager()
 {
     mLedHal = nullptr;
     mCurrentState = NEW_LED_STATE;
-    mBlinkPeriod = BLINKING_FAST_MS;
+    mBlinkPeriod = LED_NOT_BLINK;
     mKeepAliveTime = DEFAULT_KEEP_ALIVE_TIME;
     mStateAliveTime = 0;
 }
+
 LedManager::LedManager(std::shared_ptr<VLedHal> &LedHal, const LedState &CurrentState,
                        const unsigned int &KeepAliveTime, const unsigned int &BlinkPeriod)
 {
@@ -34,13 +35,17 @@ LedManager::LedManager(std::shared_ptr<VLedHal> &LedHal, const LedState &Current
     mStateAliveTime = 0;
 }
 
-StatusCode LedManager::SetLedState(std::string ledName, LedState &CurrentState, const unsigned int &KeepAliveTime,
+std::shared_ptr<VLedHal> LedManager::GetLedHal(void) { return mLedHal; }
+
+StatusCode LedManager::SetLedState(LedState &CurrentState, const unsigned int &KeepAliveTime,
                                    const unsigned int &BlinkPeriod)
 {
     mCurrentState = CurrentState;
     mKeepAliveTime = KeepAliveTime;
+    mBlinkPeriod = BlinkPeriod;
     return CreateStatusCode(STATUS_CODE_OK);
 }
+
 StatusCode LedManager::GetLedState(LedState &CurrentState)
 {
     CurrentState = mCurrentState;
diff --git a/middleware/DeviceManager/src/LedManager.h b/middleware/DeviceManager/src/LedManager.h
index 57faa81..e9caf07 100644
--- a/middleware/DeviceManager/src/LedManager.h
+++ b/middleware/DeviceManager/src/LedManager.h
@@ -28,21 +28,21 @@ constexpr long int DEFAULT_KEEP_ALIVE_TIME = 1500;
 constexpr unsigned int DELETED_LED_STATE = -1;
 constexpr unsigned int DO_NOT_KEEP_ALIVE = -2;
 
-class LedManager : public VLedManager
+class LedManager
 {
 public:
     LedManager();
     LedManager(std::shared_ptr<VLedHal> &LedHal, const LedState &CurrentState,
                const unsigned int &KeepAliveTime = DEFAULT_KEEP_ALIVE_TIME,
-               const unsigned int &BlinkPeriod = BLINKING_FAST_MS);
+               const unsigned int &BlinkPeriod = LED_NOT_BLINK);
     ~LedManager() = default;
     StatusCode Init(void) { return CreateStatusCode(STATUS_CODE_NOT_OK); }
     StatusCode Unit(void) { return CreateStatusCode(STATUS_CODE_NOT_OK); }
-    StatusCode SetLedState(std::string ledName, LedState &CurrentState,
-                           const unsigned int &KeepAliveTime = DEFAULT_KEEP_ALIVE_TIME,
-                           const unsigned int &BlinkPeriod = LED_NOT_BLINK) override;
 
 public:
+    std::shared_ptr<VLedHal> GetLedHal(void);
+    StatusCode SetLedState(LedState &CurrentState, const unsigned int &KeepAliveTime = DEFAULT_KEEP_ALIVE_TIME,
+                           const unsigned int &BlinkPeriod = LED_NOT_BLINK);
     StatusCode GetLedState(LedState &CurrentState);
     StatusCode BlinkOn(LedState CurrentState, unsigned int KeepAliveTime);
     StatusCode BlinkOff(void);