diff --git a/src/bridges/bedscale/bedscale_entity.py b/src/bridges/bedscale/bedscale_entity.py
index 5665648..564a99f 100644
--- a/src/bridges/bedscale/bedscale_entity.py
+++ b/src/bridges/bedscale/bedscale_entity.py
@@ -19,11 +19,22 @@ class BedscaleWeightResult:
 
 class BedscaleEntity(Entity):
 
-    def __init__(self, *, ip_address: str, id: str, name: str, room: str):
+    def __init__(
+        self,
+        *,
+        ip_address: str,
+        id: str,
+        name: str,
+        room: str,
+        history_length: int = 60 * 5,
+    ):
         super().__init__(id=id, name=name, room=room, device_type="bedscale")
         self._ip_address = ip_address
+        self._history: list[BedscaleWeightResult] = []
+        self._history_length = history_length
+        self.latest_weight: BedscaleWeightResult = None
 
-    async def poll_weights(self) -> BedscaleWeightResult:
+    async def update(self):
         loop = asyncio.get_event_loop()
 
         tr_request = loop.run_in_executor(None, self.__poll_scale__, "tr")
@@ -31,7 +42,7 @@ class BedscaleEntity(Entity):
         br_request = loop.run_in_executor(None, self.__poll_scale__, "br")
         bl_request = loop.run_in_executor(None, self.__poll_scale__, "bl")
 
-        results = BedscaleWeightResult(
+        new_result = BedscaleWeightResult(
             tr=await tr_request,
             tl=await tl_request,
             br=await br_request,
@@ -42,10 +53,15 @@ class BedscaleEntity(Entity):
 
         # TODO: Keep track of empty-bed weight
 
-        return results
+        self._history.append(new_result)
+        if len(self._history) > self._history_length:
+            self._history = self._history[-self._history_length :]
 
     def __poll_scale__(self, leg: str) -> float | None:
         try:
             return requests.get(f"{self._ip_address}/sensor/{leg}/").json()["value"]
         except:
             return None
+
+    def get_history(self) -> list[BedscaleWeightResult]:
+        return self._history
diff --git a/src/bridges/hue/hue_bridge.py b/src/bridges/hue/hue_bridge.py
index b74e551..8c14e50 100644
--- a/src/bridges/hue/hue_bridge.py
+++ b/src/bridges/hue/hue_bridge.py
@@ -1,5 +1,5 @@
-import json
 import logging
+from .hue_light import HueLight
 from core import Bridge, Group
 from phue import Bridge as phueBridge
 from time import sleep
@@ -49,8 +49,35 @@ class HueBridge(Bridge):
         return self._hue.get_api()
 
     def get_all_lights(self) -> Group:
-        light_states = await self.list_api()
-        # TODO
+        rooms = {
+            r["name"]: [int(l) for l in r["lights"]]
+            for r in self._hue.get_api()["groups"].values()
+            if r["type"] == "Room"
+        }
+
+        lights = []
+        for l in self._hue.get_light_objects():
+            if l.colormode != "xy":
+                # TODO: Implement light to handle all color modes
+                continue
+
+            room = "Unknown"
+            for room_name, room_lights in rooms.items():
+                if l.light_id in room_lights:
+                    room = room_name
+                    break
+
+            lights.append(
+                HueLight(
+                    hue_bridge=self,
+                    hue_light=l,
+                    id=f"hue-light-{l.light_id}",
+                    name=l.name,
+                    room=room,
+                )
+            )
+
+        return Group(entities=lights, id="all-hue-lights", name="All Hue Lights")
 
     def list_scenes(self) -> dict:
         return self._hue.get_scene()
@@ -62,7 +89,7 @@ class HueBridge(Bridge):
                 return scene
         return None
 
-    def set_light(self, lights, command):
+    def set_light(self, lights: int | list[int], command):
         return self._hue.set_light(lights, command)
 
     def get_light(self, id, command=None):
diff --git a/src/bridges/hue/hue_light.py b/src/bridges/hue/hue_light.py
index 8080209..0ba40e3 100644
--- a/src/bridges/hue/hue_light.py
+++ b/src/bridges/hue/hue_light.py
@@ -1,56 +1,129 @@
+import asyncio
 from core import Entity, Color
-from bridges.hue import HueBridge
+from phue import Light
 
 
 class HueLight(Entity):
+    MAX_HUE_RANGE: int = 65535
+    MAX_SAT_RANGE: int = 254
+    MAX_BRI_RANGE: int = 254
+    TRANSITION_TIME_SCALE: float = 0.1
 
     def __init__(
         self,
         *,
-        bridge: HueBridge,
-        initial_state: dict,
+        hue_bridge: "HueBridge",
+        hue_light: Light,
         id: str,
         name: str,
         room: str,
-        groups: list[str] = ...
+        groups: list[str] = [],
     ) -> None:
-        super().__init__(id=id, name=name, room=room, groups=groups)
-        self._bridge: HueBridge = bridge
+        super().__init__(
+            id=id, name=name, room=room, groups=groups, device_type="light"
+        )
+        self._bridge = hue_bridge
+        self._hue_light = hue_light
+
+        self._on = False
         self._color: Color = Color()
-        self._on: bool = False
         self._transition_duration_sec = 0
 
-        self.__parse_state__(initial_state)
+        asyncio.run(self.update())
 
-    def __parse_state__(self, state: dict):
-        max_int_value = 255
-        self._on = state["state"]["on"]
-
-        h = state["state"]["hue"] / max_int_value
-        s = state["state"]["sat"] / max_int_value
-        v = state["state"]["bri"] / max_int_value
-
-        # TODO: Update color instead of overwriting it, to better keep track of change?
-        self._color = Color(hue=h, saturation=s, brightness=v)
-
-    def update(self):
-        # TODO
-        pass
-
-    def set_brightness(self, brightness: float):
-        """Does not turn an entity on if brightness > 0 and entity turned off."""
-        raise NotImplementedError("Entity does not support 'set_brightness' operation.")
-
-    def set_hue(self, hue: float):
-        raise NotImplementedError("Entity does not support 'set_hue' operation.")
-
-    def set_saturation(self, saturation: float):
-        raise NotImplementedError("Entity does not support 'set_saturation' operation.")
-
-    def set_color(self, color: Color):
-        raise NotImplementedError("Entity does not support 'set_color' operation.")
-
-    def set_transition_duration(self, seconds: float):
-        raise NotImplementedError(
-            "Entity does not support 'set_transition_duration' operation."
+    async def __commit_to_device__(self):
+        self._hue_light.transitiontime = (
+            self._transition_duration_sec * HueLight.TRANSITION_TIME_SCALE
         )
+
+        self._hue_light.on = self._on
+
+        self._hue_light.hue = self._color.hue * HueLight.MAX_HUE_RANGE
+        self._hue_light.saturation = self._color.saturation * HueLight.MAX_SAT_RANGE
+        self._hue_light.brightness = self._color.brightness * HueLight.MAX_BRI_RANGE
+
+    async def update(self):
+        def __internal_update__():
+            self._on = self._hue_light.on
+
+            # TODO: Update Color instead of overwriting to better track change
+            self._color = Color(
+                hue=self._hue_light.hue / HueLight.MAX_HUE_RANGE,
+                saturation=self._hue_light.saturation / HueLight.MAX_SAT_RANGE,
+                brightness=self._hue_light.brightness / HueLight.MAX_BRI_RANGE,
+            )
+
+        await asyncio.get_running_loop().run_in_executor(None, __internal_update__)
+
+    @property
+    def color(self) -> Color:
+        return self._color
+
+    @property
+    def on(self) -> bool:
+        return self._on
+
+    @property
+    def transition_time(self) -> float:
+        return self._transition_duration_sec
+
+    async def set_brightness(self, brightness: float):
+        if self._color.brightness == brightness:
+            return
+
+        self._color.brightness = brightness
+
+        if self._on:
+            await self.__commit_to_device__()
+
+    async def set_hue(self, hue: float):
+        if self._color.hue == hue:
+            return
+
+        self._color.hue = hue
+
+        if self._on:
+            await self.__commit_to_device__()
+
+    async def set_saturation(self, saturation: float):
+        if self._color.saturation == saturation:
+            return
+
+        self._color.saturation = saturation
+
+        if self._on:
+            await self.__commit_to_device__()
+
+    async def set_color(self, color: Color):
+        if self._color == color:
+            return
+
+        # TODO: Avoid overwriting to better track change
+        self._color = color
+
+        if self._on:
+            await self.__commit_to_device__()
+
+    async def set_transition_duration(self, seconds: float):
+        if seconds < 0:
+            raise ValueError(
+                f"Given transition duration in seconds must be greater 0. Instead [{str(seconds)}] was provided."
+            )
+
+        self._transition_duration_sec = seconds
+
+    async def turn_on(self):
+        if self._on:
+            return
+
+        self._on = True
+
+        await self.__commit_to_device__()
+
+    async def turn_off(self):
+        if not self._on:
+            return
+
+        self._on = False
+
+        await self.__commit_to_device__()
diff --git a/src/core/color.py b/src/core/color.py
index 1957d25..a67b3c5 100644
--- a/src/core/color.py
+++ b/src/core/color.py
@@ -1,5 +1,6 @@
 class Color:
-    def __init__(self, *, hue: float, saturation: float, brightness: float):
+
+    def __init__(self, *, hue: float = 0, saturation: float = 0, brightness: float = 0):
         self.hue = hue
         self.saturation = saturation
         self.brightness = brightness
diff --git a/src/core/entity.py b/src/core/entity.py
index 3565917..a890012 100644
--- a/src/core/entity.py
+++ b/src/core/entity.py
@@ -16,12 +16,14 @@ class Entity:
         room: str | None,
         device_type: str,
         groups: list[str] = [],
+        update_period: float = 1,
     ) -> None:
         self._id = id
         self._name = name
         self._room = room
         self._device_type = device_type.strip().lower()
         self._groups = set(groups)
+        self._update_period: float = update_period
 
     @property
     def id(self) -> str:
@@ -44,6 +46,34 @@ class Entity:
     def groups(self) -> set[str]:
         return self._groups
 
+    @property
+    def update_period(self) -> float:
+        return self._update_period
+
+    @property
+    def color(self) -> Color:
+        raise EntityOpNotSupportedError("color")
+
+    @property
+    def brightness(self) -> float:
+        return self.color.brightness
+
+    @property
+    def hue(self) -> float:
+        return self.color.hue
+
+    @property
+    def saturation(self) -> float:
+        return self.color.saturation
+
+    @property
+    def on(self) -> bool:
+        raise EntityOpNotSupportedError("on")
+
+    @property
+    def transition_time(self) -> float:
+        raise EntityOpNotSupportedError("transition_time")
+
     def __str__(self) -> str:
         return f"{self.name} [{self.id}, type {self.device_type}, room {self.room}, in {len(self.groups)} groups]"
 
diff --git a/src/core/group.py b/src/core/group.py
index 7d60029..ae33d2c 100644
--- a/src/core/group.py
+++ b/src/core/group.py
@@ -1,3 +1,4 @@
+from fnmatch import fnmatch
 from .entity import Entity, EntityOpNotSupportedError
 
 
@@ -8,7 +9,7 @@ class Group(Entity):
         *,
         entities: list[Entity] = ...,
         id: str = "group",
-        name: str = "Empty Group"
+        name: str = "Empty Group",
     ):
         super().__init__(id=id, name=name, room=None, device_type="group")
         self._entities: list[Entity] = entities
@@ -27,6 +28,18 @@ class Group(Entity):
         for method_name in methods_to_create:
             setattr(self, method_name, self._create_group_method(method_name))
 
+    def __iter__(self):
+        return iter(self._entities)
+
+    def __len__(self):
+        return len(self._entities)
+
+    def __getitem__(self, id: str) -> "Group":
+        if type(id) is int:
+            raise "Numerical index not supported."
+
+        return self.__get_entities_with_specific_property__("id", id)
+
     async def __call_method__(self, method_name: str, *args, **kwargs):
         for entity in self._entities:
             try:
@@ -41,3 +54,44 @@ class Group(Entity):
             await self.__call_method__(method_name, *args, **kwargs)
 
         return group_method
+
+    def __get_entities_with_specific_property__(
+        self,
+        property: str,
+        target_pattern: str,
+    ) -> list[Entity]:
+        """Returns all entities for which the property getter matches the desired pattern.
+
+        Args:
+            property_getter (callable[[Entity], str]): Takes one entity and returns the value of the filtered property.
+            target_pattern (str): Pattern that is matched against.
+
+        Returns:
+            list[Entity]: A new group of entities or an empty group, if no entity property matches the target pattern.
+        """
+        return Group(
+            entities=[
+                e
+                for e in self._entities
+                if fnmatch(
+                    getattr(e, property),
+                    target_pattern,
+                )
+            ],
+            name=f"{property}={target_pattern}",
+        )
+
+    def with_id(self, id_pattern: str) -> "Group":
+        return self.__get_entities_with_specific_property__("id", id_pattern)
+
+    def with_name(self, name_pattern: str) -> "Group":
+        return self.__get_entities_with_specific_property__("name", name_pattern)
+
+    def in_room(self, room_pattern: str) -> "Group":
+        return self.__get_entities_with_specific_property__("room", room_pattern)
+
+    def of_device_type(self, type_pattern: str) -> "Group":
+        return self.__get_entities_with_specific_property__("device_type", type_pattern)
+
+    def in_groups(self, groups_pattern: str) -> "Group":
+        return self.__get_entities_with_specific_property__("groups", groups_pattern)
diff --git a/src/endpoints/bedscale.py b/src/endpoints/bedscale.py
index f431ae9..1fc46f8 100644
--- a/src/endpoints/bedscale.py
+++ b/src/endpoints/bedscale.py
@@ -16,38 +16,18 @@ bedscale = BedscaleEntity(
     room="Max Zimmer",
 )
 
-history = []
-
-measure_delay_secs = 1
-history_length_secs = 60 * 10
-
 
 async def bedscale_service():
-    global history
-    global bedscale
-    history_max_num = int(history_length_secs / measure_delay_secs)
     while True:
-        r = await bedscale.poll_weights()
-        history.append(r)
-
-        if len(history) > history_max_num:
-            history = history[-history_max_num:]
-
-        await asyncio.sleep(1)
+        r = await bedscale.update()
+        await asyncio.sleep(bedscale.update_period)
 
 
 @router.get("/latest")
 async def get_latest():
-    if len(history) == 0:
+    if len(bedscale.get_history()) == 0:
         return HTMLResponse(status_code=200, content="No data given yet")
-    return history[-1]
-
-
-# @router.get("/file", tags=["file"])
-# async def get_file():
-#     with open(file_path, "r", encoding="UTF-8") as fp:
-#         return HTMLResponse("\n".join(fp.readlines()))
-
+    return bedscale.get_history()[-1]
 
 # @router.get("/history")
 # async def get_history(count: int = None) -> list[dict]:
@@ -74,9 +54,3 @@ async def get_latest():
 #         return points[-count]
 #     else:
 #         return points
-
-
-# @router.delete("/delete", tags=["file"])
-# async def delete_file():
-#     os.remove(file_path)
-#     return "Deleted file"
diff --git a/src/endpoints/hue.py b/src/endpoints/hue.py
index 3cb9404..15b9eb9 100644
--- a/src/endpoints/hue.py
+++ b/src/endpoints/hue.py
@@ -9,34 +9,34 @@ from core import Group
 
 router = APIRouter(tags=["hue"])
 hue_bridge = HueBridge(ip_address="192.168.178.85", id="hue-bridge")
-hue_lights: Group = Group()
+hue_lights: Group = hue_bridge.get_all_lights()
 
-poll_delay_sec = 5
+update_period_seconds = 5
 
 
 async def hue_service():
-    global hue_lights
-
-    hue_lights = await hue_bridge.get_all_lights()
-
     while True:
         try:
             await hue_lights.update()
-
-            await asyncio.sleep(poll_delay_sec)
+            await asyncio.sleep(update_period_seconds)
         except:
             pass
 
 
-@router.get("/scenes", tags=["scene"])
+@router.get("/scenes")
 async def get_scenes():
     return hue_bridge.list_scenes()
 
 
-@router.post(
-    "/room/{room_name}/scene/{scene_name}",
-    tags=["room", "scene"],
-)
+@router.get("/lights")
+async def get_scenes():
+    return {
+        l.id: {"name": l.name, "room": l.room, "color": str(l.color), "on": l.on}
+        for l in hue_lights
+    }
+
+
+@router.post("/room/{room_name}/scene/{scene_name}")
 async def activate_scene(room_name: str, scene_name: str):
     try:
         hue_bridge.in_room_activate_scene(room_name, scene_name)
@@ -44,23 +44,17 @@ async def activate_scene(room_name: str, scene_name: str):
         return HTMLResponse(status_code=400, content=str(e))
 
 
-@router.post(
-    "/room/{room_name}/off",
-    tags=["room"],
-)
+@router.post("/room/{room_name}/off")
 async def deactivate_room(room_name: str):
     try:
-        hue_bridge.in_room_deactivate_lights(room_name)
+        await hue_lights.in_room(room_name).turn_off()
     except Exception as e:
         return HTMLResponse(status_code=400, content=str(e))
 
 
-@router.post(
-    "/room/{room_name}/on",
-    tags=["room"],
-)
+@router.post("/room/{room_name}/on")
 async def activate_room(room_name: str):
     try:
-        hue_bridge.in_room_activate_lights(room_name)
+        await hue_lights.in_room(room_name).turn_on()
     except Exception as e:
         return HTMLResponse(status_code=400, content=str(e))
diff --git a/src/main.py b/src/main.py
index 80dd53a..ddab30b 100644
--- a/src/main.py
+++ b/src/main.py
@@ -13,12 +13,15 @@ background_tasks = []
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     """Start background services."""
-    fritz_task = asyncio.create_task(track_network_devices(), name="Fritz!Box Tracker")
+    # fritz_task = asyncio.create_task(track_network_devices(), name="Fritz!Box Tracker")
     bedscale_task = asyncio.create_task(bedscale_service(), name="Polling bed-scale")
-    hue_task = asyncio.create_task(hue_service(), name="Polling Hue Bridge")
+    # hue_task = asyncio.create_task(hue_service(), name="Polling Hue Bridge")
+
+    # TODO: Fix background task execution. ^ these calls are blocking
 
     # Store references to the tasks
-    background_tasks.extend([fritz_task, bedscale_task, hue_task])
+    # background_tasks.extend([fritz_task, bedscale_task, hue_task])
+    background_tasks.extend([bedscale_task])
 
     yield