diff --git a/config/config.json b/config/config.json
index da70d99..ba39632 100644
--- a/config/config.json
+++ b/config/config.json
@@ -6,8 +6,14 @@
       "name": "PC1 — DP",
       "hotkey": "ctrl+alt+1",
       "monitor_inputs": [
-        {"monitor_index": 0, "vcp_value": 15},
-        {"monitor_index": 1, "vcp_value": 15}
+        {
+          "monitor_index": 1,
+          "vcp_value": 15
+        },
+        {
+          "monitor_index": 2,
+          "vcp_value": 15
+        }
       ]
     },
     {
@@ -15,8 +21,14 @@
       "name": "PC2 — HDMI",
       "hotkey": "ctrl+alt+2",
       "monitor_inputs": [
-        {"monitor_index": 0, "vcp_value": 17},
-        {"monitor_index": 1, "vcp_value": 17}
+        {
+          "monitor_index": 1,
+          "vcp_value": 17
+        },
+        {
+          "monitor_index": 2,
+          "vcp_value": 17
+        }
       ]
     }
   ],
@@ -41,4 +53,4 @@
     "minimize_to_tray": true,
     "debounce_ms": 500
   }
-}
+}
\ No newline at end of file
diff --git a/core/switcher.py b/core/switcher.py
index 771bcf5..c869518 100644
--- a/core/switcher.py
+++ b/core/switcher.py
@@ -29,7 +29,7 @@ class MonitorSwitcher:
                 continue
             try:
                 with monitors[idx] as monitor:
-                    monitor.set_vcp_feature(VCP_INPUT_SOURCE, vcp_value)
+                    monitor.vcp.set_vcp_feature(VCP_INPUT_SOURCE, vcp_value)
                     logger.info("Monitor %d -> VCP input %d", idx, vcp_value)
             except Exception as exc:
                 logger.warning("Monitor %d DDC/CI error: %s", idx, exc)
@@ -46,8 +46,8 @@ class MonitorSwitcher:
         for idx, monitor_handle in enumerate(get_monitors()):
             try:
                 with monitor_handle as monitor:
-                    current = monitor.get_vcp_feature(VCP_INPUT_SOURCE)
-                    result.append({"index": idx, "current_vcp": current.value})
+                    current = monitor.vcp.get_vcp_feature(VCP_INPUT_SOURCE)
+                    result.append({"index": idx, "current_vcp": current[0]})
             except Exception as exc:
                 logger.warning("Cannot query monitor %d: %s", idx, exc)
                 result.append({"index": idx, "current_vcp": None})
diff --git a/detect_vcp.py b/detect_vcp.py
index aae88bc..2562748 100644
--- a/detect_vcp.py
+++ b/detect_vcp.py
@@ -10,8 +10,9 @@ print("Skanowanie monitorow (VCP code 0x60 - Input Source)...")
 for i, handle in enumerate(get_monitors()):
     with handle as monitor:
         try:
-            current = monitor.get_vcp_feature(VCP_INPUT_SOURCE)
-            print(f"  Monitor {i}: VCP input = {current.value} (0x{current.value:02X})")
+            current = monitor.vcp.get_vcp_feature(VCP_INPUT_SOURCE)
+            val = current[0]
+            print(f"  Monitor {i}: VCP input = {val} (0x{val:02X})")
         except Exception as e:
             print(f"  Monitor {i}: blad odczytu - {e}")
 print()
diff --git a/tests/test_switcher.py b/tests/test_switcher.py
index 1d82a77..3f90a4d 100644
--- a/tests/test_switcher.py
+++ b/tests/test_switcher.py
@@ -13,6 +13,7 @@ def _make_mock_monitor():
     m = MagicMock()
     m.__enter__ = MagicMock(return_value=m)
     m.__exit__ = MagicMock(return_value=False)
+    m.vcp = MagicMock()
     return m
 
 
@@ -24,8 +25,8 @@ def test_apply_profile_sends_vcp_to_both_monitors(config):
         sw = MonitorSwitcher(config)
         sw.apply_profile("pc1_dp")
 
-    mon0.set_vcp_feature.assert_called_once_with(0x60, 15)
-    mon1.set_vcp_feature.assert_called_once_with(0x60, 15)
+    mon0.vcp.set_vcp_feature.assert_called_once_with(0x60, 15)
+    mon1.vcp.set_vcp_feature.assert_called_once_with(0x60, 15)
 
 
 def test_apply_profile_hdmi(config):
@@ -36,8 +37,8 @@ def test_apply_profile_hdmi(config):
         sw = MonitorSwitcher(config)
         sw.apply_profile("pc2_hdmi")
 
-    mon0.set_vcp_feature.assert_called_once_with(0x60, 17)
-    mon1.set_vcp_feature.assert_called_once_with(0x60, 17)
+    mon0.vcp.set_vcp_feature.assert_called_once_with(0x60, 17)
+    mon1.vcp.set_vcp_feature.assert_called_once_with(0x60, 17)
 
 
 def test_apply_profile_skips_missing_monitor(config):
@@ -47,19 +48,19 @@ def test_apply_profile_skips_missing_monitor(config):
         sw = MonitorSwitcher(config)
         sw.apply_profile("pc1_dp")
 
-    mon0.set_vcp_feature.assert_called_once_with(0x60, 15)
+    mon0.vcp.set_vcp_feature.assert_called_once_with(0x60, 15)
 
 
 def test_apply_profile_continues_on_monitor_error(config):
     mon0 = _make_mock_monitor()
     mon1 = _make_mock_monitor()
-    mon0.set_vcp_feature.side_effect = Exception("DDC/CI error")
+    mon0.vcp.set_vcp_feature.side_effect = Exception("DDC/CI error")
 
     with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
         sw = MonitorSwitcher(config)
         sw.apply_profile("pc1_dp")
 
-    mon1.set_vcp_feature.assert_called_once_with(0x60, 15)
+    mon1.vcp.set_vcp_feature.assert_called_once_with(0x60, 15)
 
 
 def test_apply_profile_unknown_profile_does_nothing(config):