diff --git a/python/main.py b/python/main.py
index 73a55ab..4d002dd 100644
--- a/python/main.py
+++ b/python/main.py
@@ -63,7 +63,8 @@ class Controller:
     def clear(self):
         self.send_hud([0x03, 0, 0, 0, 0x00, 0, 0])
 
-    def _as_dgt(self, n: int) -> int:
+    def _as_dgt(self, number: float) -> int:
+        n = int(number)
         if n == 0:
             return 0
         n %= 10
@@ -89,9 +90,17 @@ class Controller:
         arr = [0x01, param_1, param_2, param_3]
         self.send_hud(arr)
 
-    def set_distance(self, distance, unit: Unit = Unit.Any):
-        arr = [0x03, self._as_dgt(distance // 1000), self._as_dgt(distance // 100), self._as_dgt(distance // 10), 0x00,
-               self._as_dgt(distance), unit.value]
+    def set_distance(self, distance: float, unit: Unit = Unit.Any):
+        is_float = int(distance * 10) == int(distance) * 10
+        if not is_float:
+            distance = distance * 10
+        arr = [0x03,
+               self._as_dgt(distance // 1000),
+               self._as_dgt(distance // 100),
+               self._as_dgt(distance // 10),
+               0x00 if is_float else 0xff,
+               self._as_dgt(distance),
+               unit.value]
         self.send_hud(arr)
 
     def set_speed(self, speed: int, limit: int = 0, acc: bool = False):
diff --git a/python/test.py b/python/test.py
index 68addc9..53ea305 100644
--- a/python/test.py
+++ b/python/test.py
@@ -62,8 +62,10 @@ def direction(controller: Controller):
 
 def distance(controller: Controller):
     print("Distance")
-    controller.set_distance(999)
-    controller.set_distance(999, Unit.Kilometres)
+    controller.set_distance(555.5)
+    controller.set_distance(6666)
+    controller.set_distance(777.7)
+    controller.set_distance(888, Unit.Kilometres)
     controller.set_distance(999, Unit.Metres)
     controller.set_distance(999, Unit.Foot)
     controller.set_distance(999, Unit.Miles)
@@ -108,4 +110,7 @@ def compass(controller: Controller):
 
 
 if __name__ == '__main__':
-    instance = Controller('/dev/rfcomm0')
+    import os
+    name = '/dev/rfcomm0' if os.name != 'nt' else 'COM8'
+    instance = Controller(name)
+    suite(instance)