diff --git a/homeassistant/components/bosch_shc/__init__.py b/homeassistant/components/bosch_shc/__init__.py
index 6b82109a8b29..b133db935433 100644
--- a/homeassistant/components/bosch_shc/__init__.py
+++ b/homeassistant/components/bosch_shc/__init__.py
@@ -20,6 +20,7 @@ PLATFORMS = [
     Platform.COVER,
     Platform.EVENT,
     Platform.NUMBER,
+    Platform.SELECT,
     Platform.SENSOR,
     Platform.SWITCH,
     Platform.VALVE,
diff --git a/homeassistant/components/bosch_shc/select.py b/homeassistant/components/bosch_shc/select.py
new file mode 100644
index 000000000000..bee48f8af4b4
--- /dev/null
+++ b/homeassistant/components/bosch_shc/select.py
@@ -0,0 +1,109 @@
+"""Platform for select integration."""
+
+from collections.abc import Callable, Coroutine, Sequence
+from dataclasses import dataclass
+from typing import TYPE_CHECKING, Any, override
+
+from boschshcpy import OutdoorSirenService, SHCOutdoorSiren
+from boschshcpy.device import SHCDevice
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.const import EntityCategory
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import BoschConfigEntry
+from .entity import SHCEntity
+
+PARALLEL_UPDATES = 1
+
+
+@dataclass(frozen=True, kw_only=True)
+class SHCSelectEntityDescription[_DeviceT: SHCDevice](SelectEntityDescription):
+    """Describes a SHC select entity."""
+
+    current_option_fn: Callable[[_DeviceT, Sequence[str] | None], str | None]
+    select_option_fn: Callable[[_DeviceT, str], Coroutine[Any, Any, None]]
+
+
+def _siren_current_option(
+    device: SHCOutdoorSiren, options: Sequence[str] | None
+) -> str | None:
+    """Read the Outdoor Siren's current sound level (already lowercased)."""
+    try:
+        return str(device.siren.sound_level.name.lower())
+    except AttributeError, ValueError:
+        return None
+
+
+async def _siren_select_option(device: SHCOutdoorSiren, option: str) -> None:
+    """Write the Outdoor Siren's sound level."""
+    level = OutdoorSirenService.SoundLevel[option.upper()]
+    await device.siren.async_set_configuration(sound_level=level)
+
+
+SIREN_SOUND_LEVEL_DESCRIPTION = SHCSelectEntityDescription[SHCOutdoorSiren](
+    key="siren_sound_level",
+    translation_key="siren_sound_level",
+    entity_category=EntityCategory.CONFIG,
+    options=["low", "medium", "high"],
+    current_option_fn=_siren_current_option,
+    select_option_fn=_siren_select_option,
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: BoschConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the SHC select platform."""
+    session = config_entry.runtime_data
+    shc_info = session.information
+    if TYPE_CHECKING:
+        assert shc_info is not None and shc_info.unique_id is not None
+
+    async_add_entities(
+        SHCSelect(
+            hass=hass,
+            device=siren,
+            parent_id=shc_info.unique_id,
+            entry_id=config_entry.entry_id,
+            description=SIREN_SOUND_LEVEL_DESCRIPTION,
+        )
+        for siren in session.device_helper.outdoor_sirens
+        if siren.siren is not None
+    )
+
+
+class SHCSelect[_DeviceT: SHCDevice](SHCEntity, SelectEntity):
+    """Generic SHC select entity, driven by a SHCSelectEntityDescription."""
+
+    entity_description: SHCSelectEntityDescription[_DeviceT]
+    _device: _DeviceT
+
+    def __init__(
+        self,
+        hass: HomeAssistant,
+        device: _DeviceT,
+        parent_id: str,
+        entry_id: str,
+        description: SHCSelectEntityDescription[_DeviceT],
+    ) -> None:
+        """Initialize the select entity."""
+        self.entity_description = description
+        super().__init__(
+            hass=hass, device=device, parent_id=parent_id, entry_id=entry_id
+        )
+        self._attr_unique_id = f"{device.serial}_{description.key}"
+
+    @property
+    @override
+    def current_option(self) -> str | None:
+        """Return the current option."""
+        return self.entity_description.current_option_fn(self._device, self.options)
+
+    @override
+    async def async_select_option(self, option: str) -> None:
+        """Select an option, writing it to the device."""
+        await self.entity_description.select_option_fn(self._device, option)
diff --git a/homeassistant/components/bosch_shc/strings.json b/homeassistant/components/bosch_shc/strings.json
index d19af93f229e..89b89e04e6bb 100644
--- a/homeassistant/components/bosch_shc/strings.json
+++ b/homeassistant/components/bosch_shc/strings.json
@@ -70,6 +70,16 @@
         "name": "Pulse length"
       }
     },
+    "select": {
+      "siren_sound_level": {
+        "name": "Siren volume",
+        "state": {
+          "high": "Loud",
+          "low": "Reduced",
+          "medium": "Medium"
+        }
+      }
+    },
     "sensor": {
       "air_quality": {
         "name": "Air quality"
diff --git a/tests/components/bosch_shc/conftest.py b/tests/components/bosch_shc/conftest.py
index 717368510cdf..7e70e1d1a75c 100644
--- a/tests/components/bosch_shc/conftest.py
+++ b/tests/components/bosch_shc/conftest.py
@@ -21,6 +21,7 @@ from boschshcpy import (
     SHCMicromoduleRelay,
     SHCMotionDetector,
     SHCMotionDetector2,
+    SHCOutdoorSiren,
     SHCPresenceSimulationSystem,
     SHCShutterContact,
     SHCShutterContact2,
@@ -38,6 +39,7 @@ from boschshcpy import (
     ThermostatService,
 )
 from boschshcpy.services_impl import (
+    OutdoorSirenService,
     PresenceSimulationConfigurationService,
     ValveTappetService,
 )
@@ -90,6 +92,7 @@ _EMPTY_DEVICE_BUCKETS: dict[str, Any] = {
         "micromodule_shutter_controls",
         "motion_detectors",
         "motion_detectors2",
+        "outdoor_sirens",
         "roomthermostats",
         "shutter_contacts",
         "shutter_contacts2",
@@ -208,6 +211,28 @@ def camera_outdoor_gen2_device(
     return device
 
 
+def outdoor_siren_device(
+    device_id: str = "hdm:ZigBee:outdoorsiren1",
+    name: str = "Outdoor Siren",
+    sound_level: OutdoorSirenService.SoundLevel = OutdoorSirenService.SoundLevel.MEDIUM,
+) -> SHCOutdoorSiren:
+    """Build a minimal device double for the outdoor_sirens bucket."""
+    device = create_autospec(SHCOutdoorSiren, instance=True, spec_set=True)
+    device.name = name
+    device.id = device_id
+    device.root_device_id = "test-mac"
+    device.serial = f"serial-{device_id}"
+    device.manufacturer = "Bosch"
+    device.device_model = "OUTDOOR_SIREN"
+    device.device_services = []
+    device.deleted = False
+    device.status = "AVAILABLE"
+    siren_service = create_autospec(OutdoorSirenService, instance=True)
+    siren_service.sound_level = sound_level
+    device.siren = siren_service
+    return device
+
+
 def shutter_control_device(
     device_id: str = "hdm:ZigBee:shutter1",
     name: str = "Shutter",
diff --git a/tests/components/bosch_shc/test_select.py b/tests/components/bosch_shc/test_select.py
new file mode 100644
index 000000000000..4c86af6a421b
--- /dev/null
+++ b/tests/components/bosch_shc/test_select.py
@@ -0,0 +1,84 @@
+"""Tests for the Bosch SHC select platform."""
+
+from unittest.mock import MagicMock
+
+from boschshcpy.services_impl import OutdoorSirenService
+import pytest
+
+from homeassistant.components.select import DOMAIN as SELECT_DOMAIN
+from homeassistant.const import ATTR_ENTITY_ID, SERVICE_SELECT_OPTION
+from homeassistant.core import HomeAssistant
+
+from .conftest import outdoor_siren_device, setup_integration
+
+from tests.common import MockConfigEntry
+
+SOUND_LEVEL_ENTITY_ID = "select.outdoor_siren_siren_volume"
+
+
+@pytest.mark.parametrize(
+    "device_buckets",
+    [
+        {
+            "outdoor_sirens": [
+                outdoor_siren_device(sound_level=OutdoorSirenService.SoundLevel.MEDIUM)
+            ]
+        }
+    ],
+    indirect=True,
+)
+@pytest.mark.usefixtures("mock_session")
+async def test_outdoor_siren_sound_level_current_option(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """The Outdoor Siren's current sound level is reported."""
+    await setup_integration(hass, mock_config_entry)
+
+    state = hass.states.get(SOUND_LEVEL_ENTITY_ID)
+    assert state is not None
+    assert state.state == "medium"
+
+
+@pytest.mark.parametrize(
+    "device_buckets",
+    [{"outdoor_sirens": [outdoor_siren_device()]}],
+    indirect=True,
+)
+@pytest.mark.usefixtures("mock_session")
+async def test_outdoor_siren_sound_level_select_option(
+    hass: HomeAssistant,
+    mock_session: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Selecting a sound level writes it to the device."""
+    await setup_integration(hass, mock_config_entry)
+    device = mock_session.device_helper.outdoor_sirens[0]
+
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        SERVICE_SELECT_OPTION,
+        {ATTR_ENTITY_ID: SOUND_LEVEL_ENTITY_ID, "option": "high"},
+        blocking=True,
+    )
+    device.siren.async_set_configuration.assert_awaited_once_with(
+        sound_level=OutdoorSirenService.SoundLevel.HIGH
+    )
+
+
+@pytest.mark.parametrize(
+    "device_buckets",
+    [{"outdoor_sirens": [outdoor_siren_device()]}],
+    indirect=True,
+)
+@pytest.mark.usefixtures("mock_session")
+async def test_outdoor_siren_no_siren_service(
+    hass: HomeAssistant,
+    mock_session: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """No select entity is created for a siren without the siren service."""
+    mock_session.device_helper.outdoor_sirens[0].siren = None
+    await setup_integration(hass, mock_config_entry)
+
+    assert hass.states.get(SOUND_LEVEL_ENTITY_ID) is None