diff --git a/homeassistant/components/lametric/entity.py b/homeassistant/components/lametric/entity.py
index ca95539ae58a..d438d22d0f5f 100644
--- a/homeassistant/components/lametric/entity.py
+++ b/homeassistant/components/lametric/entity.py
@@ -29,6 +29,7 @@ class LaMetricEntity(CoordinatorEntity[LaMetricDataUpdateCoordinator]):
             connections=connections,
             identifiers={(DOMAIN, coordinator.data.serial_number)},
             manufacturer="LaMetric Inc.",
+            model=coordinator.data.model_name,
             model_id=coordinator.data.model,
             name=coordinator.data.name,
             sw_version=coordinator.data.os_version,
diff --git a/tests/components/lametric/snapshots/test_init.ambr b/tests/components/lametric/snapshots/test_init.ambr
new file mode 100644
index 000000000000..f800c4f3847c
--- /dev/null
+++ b/tests/components/lametric/snapshots/test_init.ambr
@@ -0,0 +1,77 @@
+# serializer version: 1
+# name: test_device_info[device-SA110405124500W00BS9]
+  DeviceRegistryEntrySnapshot({
+    'area_id': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'configuration_url': 'https://127.0.0.1/',
+    'connections': set({
+      tuple(
+        'bluetooth',
+        'aa:bb:cc:dd:ee:ee',
+      ),
+      tuple(
+        'mac',
+        'aa:bb:cc:dd:ee:ff',
+      ),
+    }),
+    'disabled_by': None,
+    'entry_type': None,
+    'hw_version': None,
+    'id': <ANY>,
+    'identifiers': set({
+      tuple(
+        'lametric',
+        'SA110405124500W00BS9',
+      ),
+    }),
+    'labels': set({
+    }),
+    'manufacturer': 'LaMetric Inc.',
+    'model': 'TIME',
+    'model_id': 'LM 37X8',
+    'name': "Frenck's LaMetric",
+    'name_by_user': None,
+    'serial_number': 'SA110405124500W00BS9',
+    'sw_version': '2.2.2',
+    'via_device_id': None,
+  })
+# ---
+# name: test_device_info[device_sa5-SA52100000123TBNC]
+  DeviceRegistryEntrySnapshot({
+    'area_id': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'configuration_url': 'https://127.0.0.1/',
+    'connections': set({
+      tuple(
+        'bluetooth',
+        'aa:bb:cc:dd:ee:ff',
+      ),
+      tuple(
+        'mac',
+        'aa:bb:cc:dd:ee:ff',
+      ),
+    }),
+    'disabled_by': None,
+    'entry_type': None,
+    'hw_version': None,
+    'id': <ANY>,
+    'identifiers': set({
+      tuple(
+        'lametric',
+        'SA52100000123TBNC',
+      ),
+    }),
+    'labels': set({
+    }),
+    'manufacturer': 'LaMetric Inc.',
+    'model': 'SKY',
+    'model_id': 'sa5',
+    'name': "spyfly's LaMetric SKY",
+    'name_by_user': None,
+    'serial_number': 'SA52100000123TBNC',
+    'sw_version': '3.0.13',
+    'via_device_id': None,
+  })
+# ---
diff --git a/tests/components/lametric/test_init.py b/tests/components/lametric/test_init.py
index 2fd8219ea510..7c1ce9dd951e 100644
--- a/tests/components/lametric/test_init.py
+++ b/tests/components/lametric/test_init.py
@@ -8,14 +8,38 @@ from demetriek import (
     LaMetricConnectionTimeoutError,
 )
 import pytest
+from syrupy.assertion import SnapshotAssertion
 
 from homeassistant.components.lametric.const import DOMAIN
 from homeassistant.config_entries import SOURCE_REAUTH, ConfigEntryState
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
 
 from tests.common import MockConfigEntry
 
 
+@pytest.mark.parametrize(
+    ("device_fixture", "serial_number"),
+    [
+        ("device", "SA110405124500W00BS9"),
+        ("device_sa5", "SA52100000123TBNC"),
+    ],
+)
+async def test_device_info(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    device_registry: dr.DeviceRegistry,
+    init_integration: MockConfigEntry,
+    serial_number: str,
+) -> None:
+    """Test the device registry entry."""
+    device_entry = device_registry.async_get_device_by_identifier(
+        (DOMAIN, serial_number), init_integration.entry_id
+    )
+    assert device_entry is not None
+    assert device_entry == snapshot
+
+
 async def test_load_unload_config_entry(
     hass: HomeAssistant,
     mock_config_entry: MockConfigEntry,