diff --git a/dobotWrapperPy/dobotapi.py b/dobotWrapperPy/dobotapi.py
index 21954ad..37fde51 100644
--- a/dobotWrapperPy/dobotapi.py
+++ b/dobotWrapperPy/dobotapi.py
@@ -21,6 +21,7 @@
     tagCPParams,
     tagDevice,
     tagEMOTOR,
+    tagEMOTORDistance,
     tagEndEffectorParams,
     tagIODO,
     tagIOMultiplexing,
@@ -2206,6 +2207,37 @@ def set_e_motor(
             return None
         return None
 
+    def set_e_motor_distance(
+        self, params: tagEMOTORDistance, wait: bool = False, is_queued: bool = False
+    ) -> Optional[int]:
+        """
+        Controls an external motor (stepper).
+        Protocol ID: 135. Can be queued.
+
+        Args:
+            params: External motor parameters.
+            wait: If True and command is queued, waits for execution.
+            is_queued: If True, command is added to the queue.
+
+        Returns:
+            Queued command index if is_queued is True, else None.
+        """
+        response = self._send_command_with_params(
+            CommunicationProtocolIDs.EMOTOR,  # ID 135
+            ControlValues.ReadWrite,
+            params.pack(),  # EMotor
+            wait,
+            put_on_queue=is_queued,
+        )
+        if is_queued:
+            if response.params and len(response.params) >= 8:
+                return int(struct.unpack("<Q", response.params)[0])  #
+            warnings.warn(
+                f"SET_EMOTOR queued but no valid index returned. Params: {response.params.hex()}"
+            )
+            return None
+        return None
+
     def set_color_sensor(
         self, params: tagDevice, wait: bool = False, is_queued: bool = False
     ) -> Optional[int]:
diff --git a/dobotWrapperPy/dobotasync.py b/dobotWrapperPy/dobotasync.py
index b77368a..f487e05 100644
--- a/dobotWrapperPy/dobotasync.py
+++ b/dobotWrapperPy/dobotasync.py
@@ -1,4 +1,5 @@
 from .dobotapi import DobotApi
+import math
 from .dobotConnection import DobotConnection
 import warnings
 import struct
@@ -17,6 +18,7 @@
 from .paramsStructures import (
     tagIOMultiplexing,
     tagWithL,
+    tagEMOTORDistance,
     tagDevice,
     tagPTPCommonParams,
     tagPTPCoordinateParams,
@@ -85,7 +87,9 @@ def __del__(self) -> None:
         if hasattr(self, "dobotApiInterface") and self.dobotApiInterface is not None:
             del self.dobotApiInterface
 
-    def _run_in_loop(self, func: Callable[..., _T], *args: typing.Any) -> typing.Awaitable[_T]:
+    def _run_in_loop(
+        self, func: Callable[..., _T], *args: typing.Any
+    ) -> typing.Awaitable[_T]:
         if self._loop is None:
             raise Exception("Dobot not connected")
         return self._loop.run_in_executor(None, func, *args)
@@ -488,6 +492,32 @@ async def set_motor(self, address: EMotorIndex, enable: bool, speed: int) -> Non
             True,
         )
 
+    async def set_motor_distance(
+        self, address: EMotorIndex, enable: bool, speed: int, distance: int
+    ) -> None:
+        await self._run_in_loop(
+            self.dobotApiInterface.set_e_motor_distance,
+            tagEMOTORDistance(address, enable, speed, distance),
+            True,
+            True,
+        )
+
+    async def move_conveyor_belt(
+        self, speed: int, distance_cm: int, address: EMotorIndex, direction: int = 1
+    ) -> None:
+
+        STEP_PER_CIRCLE = 360.0 / 1.8 * 10.0 * 16.0
+        MM_PER_CIRCLE = 3.1415926535898 * 36.0
+        if 0.0 <= speed <= 100.0 and (direction == 1 or direction == -1):
+            motor_speed = math.floor(
+                speed * STEP_PER_CIRCLE / MM_PER_CIRCLE * direction
+            )
+            await self.set_motor_distance(address, True, motor_speed, distance_cm)
+        else:
+            raise Exception(
+                f"Wrong speed or direction. Current params: Speed: {speed}, Distance: {distance_cm} cm, Direction: {direction}, Address: {address.value}"
+            )
+
     async def set_color_sensor(
         self, enable: bool, port: int, version: TagVersionColorSensorAndIR
     ) -> None:
diff --git a/dobotWrapperPy/paramsStructures.py b/dobotWrapperPy/paramsStructures.py
index 8f5a771..2dff549 100644
--- a/dobotWrapperPy/paramsStructures.py
+++ b/dobotWrapperPy/paramsStructures.py
@@ -2251,6 +2251,86 @@ def unpack(cls, data: bytes) -> "tagEMOTOR":
         )
 
 
+@dataclass
+class tagEMOTORDistance:
+    """Represents an EMOTOR distance command."""
+
+    # uint8 - Represents EMotorIndex
+    address: EMotorIndex
+    # uint8 - Boolean flag for instruction enabled
+    insEnabled: bool
+    # double - Speed of the motor
+    speed: int
+    # int - Distance travelled
+    distance: int
+
+    def pack(self) -> bytes:
+        """
+        Packs the tagEMOTOR object into a bytes sequence.
+
+        Packs the index (EMotorIndex value as uint8), insEnabled (boolean as uint8),
+        and speed (double) into a byte string. Uses little-endian byte order.
+
+        Returns:
+            A bytes object representing the packed data (1 + 1 + 8 = 10 bytes).
+        """
+        # Format: < (little-endian), B (uint8), B (uint8), d (double)
+        # Total size = 1 + 1 + 8 = 10 bytes
+        format_string = "<BBiI"
+        return struct.pack(
+            format_string,
+            self.address.value,  # Pack the enum value
+            1 if self.insEnabled else 0,  # Pack boolean as 1 or 0
+            self.speed,
+        )
+
+    @classmethod
+    def unpack(cls, data: bytes) -> "tagEMOTORDistance":
+        """
+        Unpacks a bytes sequence into a tagEMOTOR object.
+
+        Args:
+            data: The bytes to unpack, expected to be 10 bytes (2 uint8s + 1 double).
+
+        Returns:
+            A tagEMOTOR object.
+
+        Raises:
+            struct.error: If the input bytes are not the expected size (10 bytes).
+            ValueError: If the unpacked byte value for index does not correspond to a valid EMotorIndex enum member.
+        """
+        format_string = "<BBiI"
+        expected_size = struct.calcsize(format_string)
+
+        if len(data) != expected_size:
+            raise struct.error(f"Expected {expected_size} bytes, but got {len(data)}")
+
+        (
+            unpacked_byte_index,
+            unpacked_byte_ins_enabled,
+            unpacked_double_speed,
+            unpacked_distance,
+        ) = struct.unpack(format_string, data)
+
+        try:
+            address = EMotorIndex(unpacked_byte_index)
+        except ValueError:
+            raise ValueError(
+                f"Invalid EMotorIndex value encountered: {unpacked_byte_index}"
+            )
+
+        ins_enabled = unpacked_byte_ins_enabled == 1
+        speed = unpacked_double_speed
+        distance = unpacked_distance
+
+        return cls(
+            address=address,
+            insEnabled=ins_enabled,
+            speed=speed,
+            distance=distance,
+        )
+
+
 @dataclass
 class tagDevice:
     """Represents a generic device tag."""
diff --git a/setup.py b/setup.py
index b6dea0c..f170672 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 setuptools.setup(
     name="dobotWrapperPy",
     packages=["dobotWrapperPy", "dobotWrapperPy.enums"],
-    package_data={"dobotWrapperPy": ["py.typed", "*.pyi", "types/*.pyi", "*.pyi", "types/dobotWrapperPy/*.pyi", "types/dobotWrapperPy/enums/*.pyi"]},
+    package_data={"dobotWrapperPy": ["py.typed", "*.pyi", "types/*.pyi"], "dobotWrapperPy.enums": ["py.typed", "*.pyi"]},
     include_package_data=True,
     version="1.2.1",
     description="Python library for Dobot Magician For Minitechnicus Courses",