diff --git a/README.md b/README.md
index fcc28190..2533b908 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ The following devices have been tested and confirmed as working. If your device
 - **Bulbs**: L510B, L510E, L530E
 - **Light Strips**: L900-10, L900-5, L920-5, L930-5
 - **Hubs**: H100
-- **Hub-Connected Devices<sup>\*\*\*</sup>**: T110, T300, T310, T315
+- **Hub-Connected Devices<sup>\*\*\*</sup>**: T100, T110, T300, T310, T315
 
 <!--SUPPORTED_END-->
 <sup>\*</sup>&nbsp;&nbsp; Model requires authentication<br>
diff --git a/SUPPORTED.md b/SUPPORTED.md
index a0d301b3..5e6e8553 100644
--- a/SUPPORTED.md
+++ b/SUPPORTED.md
@@ -231,6 +231,8 @@ All Tapo devices require authentication.<br>Hub-Connected Devices may work acros
 
 ### Hub-Connected Devices
 
+- **T100**
+  - Hardware: 1.0 (EU) / Firmware: 1.12.0
 - **T110**
   - Hardware: 1.0 (EU) / Firmware: 1.8.0
 - **T300**
diff --git a/kasa/module.py b/kasa/module.py
index 69c4e9e2..fe370603 100644
--- a/kasa/module.py
+++ b/kasa/module.py
@@ -111,6 +111,7 @@ class Module(ABC):
     LightTransition: Final[ModuleName[smart.LightTransition]] = ModuleName(
         "LightTransition"
     )
+    MotionSensor: Final[ModuleName[smart.MotionSensor]] = ModuleName("MotionSensor")
     ReportMode: Final[ModuleName[smart.ReportMode]] = ModuleName("ReportMode")
     SmartLightEffect: Final[ModuleName[smart.SmartLightEffect]] = ModuleName(
         "LightEffect"
diff --git a/kasa/smart/modules/__init__.py b/kasa/smart/modules/__init__.py
index fd987751..24d5749e 100644
--- a/kasa/smart/modules/__init__.py
+++ b/kasa/smart/modules/__init__.py
@@ -22,6 +22,7 @@ from .lighteffect import LightEffect
 from .lightpreset import LightPreset
 from .lightstripeffect import LightStripEffect
 from .lighttransition import LightTransition
+from .motionsensor import MotionSensor
 from .reportmode import ReportMode
 from .temperaturecontrol import TemperatureControl
 from .temperaturesensor import TemperatureSensor
@@ -54,6 +55,7 @@ __all__ = [
     "Color",
     "WaterleakSensor",
     "ContactSensor",
+    "MotionSensor",
     "FrostProtection",
     "SmartLightEffect",
 ]
diff --git a/kasa/smart/modules/motionsensor.py b/kasa/smart/modules/motionsensor.py
new file mode 100644
index 00000000..169b25b6
--- /dev/null
+++ b/kasa/smart/modules/motionsensor.py
@@ -0,0 +1,36 @@
+"""Implementation of motion sensor module."""
+
+from __future__ import annotations
+
+from ...feature import Feature
+from ..smartmodule import SmartModule
+
+
+class MotionSensor(SmartModule):
+    """Implementation of motion sensor module."""
+
+    REQUIRED_COMPONENT = "sensitivity"
+
+    def _initialize_features(self):
+        """Initialize features."""
+        self._add_feature(
+            Feature(
+                self._device,
+                id="motion_detected",
+                name="Motion detected",
+                container=self,
+                attribute_getter="motion_detected",
+                icon="mdi:motion-sensor",
+                category=Feature.Category.Primary,
+                type=Feature.Type.BinarySensor,
+            )
+        )
+
+    def query(self) -> dict:
+        """Query to execute during the update cycle."""
+        return {}
+
+    @property
+    def motion_detected(self):
+        """Return True if the motion has been detected."""
+        return self._device.sys_info["detected"]
diff --git a/kasa/tests/device_fixtures.py b/kasa/tests/device_fixtures.py
index 1eb3e829..fca5960a 100644
--- a/kasa/tests/device_fixtures.py
+++ b/kasa/tests/device_fixtures.py
@@ -117,7 +117,7 @@ DIMMERS = {
 }
 
 HUBS_SMART = {"H100", "KH100"}
-SENSORS_SMART = {"T310", "T315", "T300", "T110"}
+SENSORS_SMART = {"T310", "T315", "T300", "T100", "T110"}
 THERMOSTATS_SMART = {"KE100"}
 
 WITH_EMETER_IOT = {"HS110", "HS300", "KP115", "KP125", *BULBS_IOT}
diff --git a/kasa/tests/fixtures/smart/child/T100(EU)_1.0_1.12.0.json b/kasa/tests/fixtures/smart/child/T100(EU)_1.0_1.12.0.json
new file mode 100644
index 00000000..00e46787
--- /dev/null
+++ b/kasa/tests/fixtures/smart/child/T100(EU)_1.0_1.12.0.json
@@ -0,0 +1,537 @@
+{
+    "component_nego": {
+        "component_list": [
+            {
+                "id": "device",
+                "ver_code": 2
+            },
+            {
+                "id": "quick_setup",
+                "ver_code": 3
+            },
+            {
+                "id": "trigger_log",
+                "ver_code": 1
+            },
+            {
+                "id": "time",
+                "ver_code": 1
+            },
+            {
+                "id": "device_local_time",
+                "ver_code": 1
+            },
+            {
+                "id": "account",
+                "ver_code": 1
+            },
+            {
+                "id": "synchronize",
+                "ver_code": 1
+            },
+            {
+                "id": "cloud_connect",
+                "ver_code": 1
+            },
+            {
+                "id": "iot_cloud",
+                "ver_code": 1
+            },
+            {
+                "id": "firmware",
+                "ver_code": 1
+            },
+            {
+                "id": "localSmart",
+                "ver_code": 1
+            },
+            {
+                "id": "battery_detect",
+                "ver_code": 1
+            },
+            {
+                "id": "sensitivity",
+                "ver_code": 1
+            }
+        ]
+    },
+    "get_connect_cloud_state": {
+        "status": 0
+    },
+    "get_device_info": {
+        "at_low_battery": false,
+        "avatar": "sensor",
+        "bind_count": 1,
+        "category": "subg.trigger.motion-sensor",
+        "detected": false,
+        "device_id": "SCRUBBED_CHILD_DEVICE_ID_3",
+        "fw_ver": "1.12.0 Build 230512 Rel.103011",
+        "hw_id": "00000000000000000000000000000000",
+        "hw_ver": "1.0",
+        "jamming_rssi": -118,
+        "jamming_signal_level": 1,
+        "lastOnboardingTimestamp": 1703860126,
+        "mac": "E4FAC4000000",
+        "model": "T100",
+        "nickname": "I01BU0tFRF9OQU1FIw==",
+        "oem_id": "00000000000000000000000000000000",
+        "parent_device_id": "0000000000000000000000000000000000000000",
+        "region": "Europe/Berlin",
+        "report_interval": 60,
+        "rssi": -73,
+        "signal_level": 2,
+        "specs": "EU",
+        "status": "online",
+        "status_follow_edge": false,
+        "type": "SMART.TAPOSENSOR"
+    },
+    "get_fw_download_state": {
+        "cloud_cache_seconds": 1,
+        "download_progress": 0,
+        "reboot_time": 5,
+        "status": 0,
+        "upgrade_time": 5
+    },
+    "get_latest_fw": {
+        "fw_size": 0,
+        "fw_ver": "1.12.0 Build 230512 Rel.103011",
+        "hw_id": "",
+        "need_to_upgrade": false,
+        "oem_id": "",
+        "release_date": "",
+        "release_note": "",
+        "type": 0
+    },
+    "get_temp_humidity_records": {
+        "local_time": 1721645923,
+        "past24h_humidity": [
+            -1000,
+            -1000,
+            -1000,
+            -1000,
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+        ],
+        "past24h_humidity_exception": [
+            -1000,
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+        ],
+        "past24h_temp": [
+            -1000,
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+        ],
+        "past24h_temp_exception": [
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+            -1000,
+            -1000,
+            -1000
+        ],
+        "temp_unit": "celsius"
+    },
+    "get_trigger_logs": {
+        "logs": [
+            {
+                "event": "motion",
+                "eventId": "f883b62c-e18f-30ef-883b-62ce18f30ef8",
+                "id": 28763,
+                "timestamp": 1721643865
+            },
+            {
+                "event": "motion",
+                "eventId": "c5157545-55d5-157d-4157-54555d5157d4",
+                "id": 28748,
+                "timestamp": 1721630821
+            },
+            {
+                "event": "motion",
+                "eventId": "1b587961-edab-08d1-b587-961edab08d1b",
+                "id": 28746,
+                "timestamp": 1721629441
+            },
+            {
+                "event": "motion",
+                "eventId": "8ac5e271-3894-c269-bc5e-2713894c269b",
+                "id": 28738,
+                "timestamp": 1721622777
+            },
+            {
+                "event": "motion",
+                "eventId": "1ef8037e-c097-bc21-ef80-37ec097bc21e",
+                "id": 28722,
+                "timestamp": 1721596432
+            }
+        ],
+        "start_id": 28763,
+        "sum": 86
+    }
+}
diff --git a/kasa/tests/smart/modules/test_motionsensor.py b/kasa/tests/smart/modules/test_motionsensor.py
new file mode 100644
index 00000000..59fbef68
--- /dev/null
+++ b/kasa/tests/smart/modules/test_motionsensor.py
@@ -0,0 +1,28 @@
+import pytest
+
+from kasa import Module, SmartDevice
+from kasa.tests.device_fixtures import parametrize
+
+motion = parametrize(
+    "is motion sensor", model_filter="T100", protocol_filter={"SMART.CHILD"}
+)
+
+
+@motion
+@pytest.mark.parametrize(
+    "feature, type",
+    [
+        ("motion_detected", bool),
+    ],
+)
+async def test_motion_features(dev: SmartDevice, feature, type):
+    """Test that features are registered and work as expected."""
+    motion = dev.modules.get(Module.MotionSensor)
+    assert motion is not None
+
+    prop = getattr(motion, feature)
+    assert isinstance(prop, type)
+
+    feat = dev.features[feature]
+    assert feat.value == prop
+    assert isinstance(feat.value, type)