diff --git a/custom_components/ninebot/api.py b/custom_components/ninebot/api.py
index 86d26f1..529f209 100644
--- a/custom_components/ninebot/api.py
+++ b/custom_components/ninebot/api.py
@@ -197,10 +197,14 @@ def _normalize_status(status: dict[str, Any]) -> dict[str, Any]:
             locked = loc.get("lock")
             lat = _coerce_float(loc.get("lat"))
             lon = _coerce_float(loc.get("lon"))
+            accuracy = _coerce_float(loc.get("acc"))
             if locked is not None:
                 state["lock"] = _coerce_int(locked)
             if lat is not None and lon is not None:
-                state["location"] = {"latitude": lat, "longitude": lon}
+                location = {"latitude": lat, "longitude": lon}
+                if accuracy is not None:
+                    location["accuracy"] = accuracy
+                state["location"] = location
         elif "lock_status" in status:
             state["lock"] = status.get("lock_status")
 
diff --git a/custom_components/ninebot/device_tracker.py b/custom_components/ninebot/device_tracker.py
index 1bd371c..37f207d 100644
--- a/custom_components/ninebot/device_tracker.py
+++ b/custom_components/ninebot/device_tracker.py
@@ -57,22 +57,27 @@ def entity_picture(self) -> str | None:
         picture = self.device_profile.get("image_url")
         return picture if isinstance(picture, str) and picture else None
 
-    @property
-    def available(self) -> bool:
-        return super().available and self.latitude is not None and self.longitude is not None
+    @callback
+    def _on_updated(self) -> None:
+        """Handle updated data."""
+        self._attr_latitude = None
+        self._attr_longitude = None
+        self._attr_location_accuracy = None
 
-    @property
-    def latitude(self) -> float | None:
         location = self.device_state.get("location")
         if not isinstance(location, dict):
-            return None
+            return
+
         latitude = location.get("latitude")
-        return latitude if isinstance(latitude, int | float) else None
+        longitude = location.get("longitude")
+        if isinstance(latitude, int | float) and isinstance(longitude, int | float):
+            self._attr_latitude = latitude
+            self._attr_longitude = longitude
+
+        accuracy = location.get("accuracy")
+        if isinstance(accuracy, int | float):
+            self._attr_location_accuracy = accuracy
 
     @property
-    def longitude(self) -> float | None:
-        location = self.device_state.get("location")
-        if not isinstance(location, dict):
-            return None
-        longitude = location.get("longitude")
-        return longitude if isinstance(longitude, int | float) else None
+    def available(self) -> bool:
+        return super().available and self.latitude is not None and self.longitude is not None