diff --git a/platypush/backend/http/webapp/src/components/panels/Entities/TimeDurationSensor.vue b/platypush/backend/http/webapp/src/components/panels/Entities/TimeDurationSensor.vue
new file mode 120000
index 00000000..70b94460
--- /dev/null
+++ b/platypush/backend/http/webapp/src/components/panels/Entities/TimeDurationSensor.vue
@@ -0,0 +1 @@
+Sensor.vue
\ No newline at end of file
diff --git a/platypush/backend/http/webapp/src/components/panels/Entities/meta.json b/platypush/backend/http/webapp/src/components/panels/Entities/meta.json
index 8d20a930..87e7c157 100644
--- a/platypush/backend/http/webapp/src/components/panels/Entities/meta.json
+++ b/platypush/backend/http/webapp/src/components/panels/Entities/meta.json
@@ -143,6 +143,14 @@
     }
   },
 
+  "time_duration_sensor": {
+    "name": "Sensor",
+    "name_plural": "Sensors",
+    "icon": {
+      "class": "fas fa-clock"
+    }
+  },
+
   "muted": {
     "name": "Switch",
     "name_plural": "Switches",
diff --git a/platypush/entities/time.py b/platypush/entities/time.py
new file mode 100644
index 00000000..b6d3c003
--- /dev/null
+++ b/platypush/entities/time.py
@@ -0,0 +1,23 @@
+from sqlalchemy import Column, Integer, ForeignKey
+
+from platypush.common.db import Base
+
+from .sensors import NumericSensor
+
+
+if 'time_duration_sensor' not in Base.metadata:
+
+    class TimeDurationSensor(NumericSensor):
+        """
+        A sensor that measures a time duration.
+        """
+
+        __tablename__ = 'time_duration_sensor'
+
+        id = Column(
+            Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
+        )
+
+        __mapper_args__ = {
+            'polymorphic_identity': __tablename__,
+        }
diff --git a/platypush/plugins/bluetooth/ble/_mappers.py b/platypush/plugins/bluetooth/ble/_mappers.py
index 2ebf3809..a8be0ef0 100644
--- a/platypush/plugins/bluetooth/ble/_mappers.py
+++ b/platypush/plugins/bluetooth/ble/_mappers.py
@@ -27,6 +27,7 @@ from platypush.entities.motion import MotionSensor
 from platypush.entities.sensors import BinarySensor, NumericSensor, RawSensor
 from platypush.entities.steps import StepsSensor
 from platypush.entities.temperature import TemperatureSensor
+from platypush.entities.time import TimeDurationSensor
 
 
 @dataclass
@@ -55,6 +56,7 @@ class NullSensor:
 
 # Maps property names to transformer methods (first mapper choice).
 _property_to_entity: Dict[str, Callable[[Any, Dict[str, Any]], Entity]] = {
+    'activity heart rate': lambda value, _: HeartRateSensor(value=value),
     'battery': lambda value, conf: Battery(
         value=value,
         unit=conf.get('unit', '%'),
@@ -65,11 +67,14 @@ _property_to_entity: Dict[str, Callable[[Any, Dict[str, Any]], Entity]] = {
         value=value,
         unit=conf.get('unit', 'A'),
     ),
+    'duration': lambda value, conf: TimeDurationSensor(
+        value=value,
+        unit=conf.get('unit'),
+    ),
     'energy': lambda value, conf: EnergySensor(
         value=value,
         unit=conf.get('unit', 'kWh'),
     ),
-    'activity heart rate': lambda value, _: HeartRateSensor(value=value),
     'humidity': lambda value, conf: HumiditySensor(
         value=value,
         unit=conf.get('unit', '%'),