diff --git a/homeassistant/components/lcn/light.py b/homeassistant/components/lcn/light.py
index 2f8ce94db2a..38480cc3124 100644
--- a/homeassistant/components/lcn/light.py
+++ b/homeassistant/components/lcn/light.py
@@ -9,9 +9,9 @@ from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_TRANSITION,
     DOMAIN as DOMAIN_LIGHT,
-    SUPPORT_TRANSITION,
     ColorMode,
     LightEntity,
+    LightEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_ADDRESS, CONF_DOMAIN, CONF_ENTITIES
@@ -64,7 +64,7 @@ async def async_setup_entry(
 class LcnOutputLight(LcnEntity, LightEntity):
     """Representation of a LCN light for output ports."""
 
-    _attr_supported_features = SUPPORT_TRANSITION
+    _attr_supported_features = LightEntityFeature.TRANSITION
 
     def __init__(
         self, config: ConfigType, entry_id: str, device_connection: DeviceConnectionType
diff --git a/tests/components/lcn/test_light.py b/tests/components/lcn/test_light.py
index 3d9d999f0ec..c74ecd2beb9 100644
--- a/tests/components/lcn/test_light.py
+++ b/tests/components/lcn/test_light.py
@@ -10,10 +10,9 @@ from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_SUPPORTED_COLOR_MODES,
     ATTR_TRANSITION,
-    COLOR_MODE_BRIGHTNESS,
-    COLOR_MODE_ONOFF,
     DOMAIN as DOMAIN_LIGHT,
-    SUPPORT_TRANSITION,
+    ColorMode,
+    LightEntityFeature,
 )
 from homeassistant.const import (
     ATTR_ENTITY_ID,
@@ -44,13 +43,13 @@ async def test_entity_state(hass, lcn_connection):
     """Test state of entity."""
     state = hass.states.get("light.light_output1")
     assert state
-    assert state.attributes[ATTR_SUPPORTED_FEATURES] == SUPPORT_TRANSITION
-    assert state.attributes[ATTR_SUPPORTED_COLOR_MODES] == [COLOR_MODE_BRIGHTNESS]
+    assert state.attributes[ATTR_SUPPORTED_FEATURES] == LightEntityFeature.TRANSITION
+    assert state.attributes[ATTR_SUPPORTED_COLOR_MODES] == [ColorMode.BRIGHTNESS]
 
     state = hass.states.get("light.light_output2")
     assert state
-    assert state.attributes[ATTR_SUPPORTED_FEATURES] == SUPPORT_TRANSITION
-    assert state.attributes[ATTR_SUPPORTED_COLOR_MODES] == [COLOR_MODE_ONOFF]
+    assert state.attributes[ATTR_SUPPORTED_FEATURES] == LightEntityFeature.TRANSITION
+    assert state.attributes[ATTR_SUPPORTED_COLOR_MODES] == [ColorMode.ONOFF]
 
 
 async def test_entity_attributes(hass, entry, lcn_connection):