diff --git a/broadlink/alarm.py b/broadlink/alarm.py
index e73b8fad..f49b2cf1 100644
--- a/broadlink/alarm.py
+++ b/broadlink/alarm.py
@@ -6,17 +6,14 @@
 class S1C(device):
     """Controls a Broadlink S1C."""
 
+    TYPE = "S1C"
+
     _SENSORS_TYPES = {
         0x31: "Door Sensor",  # 49 as hex
         0x91: "Key Fob",  # 145 as hex, as serial on fob corpse
         0x21: "Motion Sensor",  # 33 as hex
     }
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "S1C"
-
     def get_sensors_status(self) -> dict:
         """Return the state of the sensors."""
         packet = bytearray(16)
diff --git a/broadlink/climate.py b/broadlink/climate.py
index 036cc9a8..b510db9d 100644
--- a/broadlink/climate.py
+++ b/broadlink/climate.py
@@ -9,10 +9,7 @@
 class hysen(device):
     """Controls a Hysen HVAC."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "Hysen heating controller"
+    TYPE = "Hysen heating controller"
 
     # Send a request
     # input_payload should be a bytearray, usually 6 bytes, e.g. bytearray([0x01,0x06,0x00,0x02,0x10,0x00])
diff --git a/broadlink/cover.py b/broadlink/cover.py
index 2691fe97..b2dc84a0 100644
--- a/broadlink/cover.py
+++ b/broadlink/cover.py
@@ -8,10 +8,7 @@
 class dooya(device):
     """Controls a Dooya curtain motor."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "Dooya DT360E"
+    TYPE = "Dooya DT360E"
 
     def _send(self, magic1: int, magic2: int) -> int:
         """Send a packet to the device."""
diff --git a/broadlink/device.py b/broadlink/device.py
index 970ee7ff..4a8bc3a5 100644
--- a/broadlink/device.py
+++ b/broadlink/device.py
@@ -87,6 +87,8 @@ def ping(address: str, port: int = 80) -> None:
 class device:
     """Controls a Broadlink device."""
 
+    TYPE = "Unknown"
+
     def __init__(
         self,
         host: Tuple[str, int],
@@ -110,7 +112,7 @@ def __init__(
         self.count = random.randint(0x8000, 0xFFFF)
         self.iv = bytes.fromhex("562e17996d093d28ddb3ba695a2e6f58")
         self.id = 0
-        self.type = "Unknown"
+        self.type = self.TYPE  # For backwards compatibility.
         self.lock = threading.Lock()
 
         self.aes = None
diff --git a/broadlink/light.py b/broadlink/light.py
index 93633267..4673e48d 100644
--- a/broadlink/light.py
+++ b/broadlink/light.py
@@ -11,6 +11,8 @@
 class lb1(device):
     """Controls a Broadlink LB1."""
 
+    TYPE = "LB1"
+
     @enum.unique
     class ColorMode(enum.IntEnum):
         """Enumerates color modes."""
@@ -18,11 +20,6 @@ class ColorMode(enum.IntEnum):
         WHITE = 1
         SCENE = 2
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "LB1"
-
     def get_state(self) -> dict:
         """Return the power state of the device.
 
diff --git a/broadlink/remote.py b/broadlink/remote.py
index f4b8ffb8..f97b755c 100644
--- a/broadlink/remote.py
+++ b/broadlink/remote.py
@@ -8,10 +8,7 @@
 class rm(device):
     """Controls a Broadlink RM."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "RM2"
+    TYPE = "RM2"
 
     def _send(self, command: int, data: bytes = b'') -> bytes:
         """Send a packet to the device."""
@@ -65,10 +62,7 @@ def check_sensors(self) -> dict:
 class rm4(rm):
     """Controls a Broadlink RM4."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "RM4"
+    TYPE = "RM4"
 
     def _send(self, command: int, data: bytes = b'') -> bytes:
         """Send a packet to the device."""
diff --git a/broadlink/sensor.py b/broadlink/sensor.py
index 3a257b12..9c5572d2 100644
--- a/broadlink/sensor.py
+++ b/broadlink/sensor.py
@@ -8,17 +8,14 @@
 class a1(device):
     """Controls a Broadlink A1."""
 
+    TYPE = "A1"
+
     _SENSORS_AND_LEVELS = (
         ("light", ("dark", "dim", "normal", "bright")),
         ("air_quality", ("excellent", "good", "normal", "bad")),
         ("noise", ("quiet", "normal", "noisy")),
     )
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "A1"
-
     def check_sensors(self) -> dict:
         """Return the state of the sensors."""
         data = self.check_sensors_raw()
diff --git a/broadlink/switch.py b/broadlink/switch.py
index f7f23084..e5e0a1aa 100644
--- a/broadlink/switch.py
+++ b/broadlink/switch.py
@@ -9,10 +9,7 @@
 class mp1(device):
     """Controls a Broadlink MP1."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "MP1"
+    TYPE = "MP1"
 
     def set_power_mask(self, sid_mask: int, state: bool) -> None:
         """Set the power state of the device."""
@@ -70,10 +67,7 @@ def check_power(self) -> dict:
 class bg1(device):
     """Controls a BG Electrical smart outlet."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "BG1"
+    TYPE = "BG1"
 
     def get_state(self) -> dict:
         """Return the power state of the device.
@@ -151,10 +145,7 @@ def _decode(self, response: bytes) -> dict:
 class sp1(device):
     """Controls a Broadlink SP1."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the device."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "SP1"
+    TYPE = "SP1"
 
     def set_power(self, state: bool) -> None:
         """Set the power state of the device."""
@@ -167,10 +158,7 @@ def set_power(self, state: bool) -> None:
 class sp2(device):
     """Controls a Broadlink SP2."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "SP2"
+    TYPE = "SP2"
 
     def set_power(self, state: bool) -> None:
         """Set the power state of the device."""
@@ -225,10 +213,7 @@ def get_energy(self) -> float:
 class sp4(device):
     """Controls a Broadlink SP4."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "SP4"
+    TYPE = "SP4"
 
     def set_power(self, state: bool) -> None:
         """Set the power state of the device."""
@@ -307,10 +292,7 @@ def _decode(self, response: bytes) -> dict:
 class sp4b(sp4):
     """Controls a Broadlink SP4 (type B)."""
 
-    def __init__(self, *args, **kwargs) -> None:
-        """Initialize the controller."""
-        device.__init__(self, *args, **kwargs)
-        self.type = "SP4B"
+    TYPE = "SP4B"
 
     def get_state(self) -> dict:
         """Get full state of device."""