diff --git a/pyrmv/__init__.py b/pyrmv/__init__.py
index b669181..0639791 100644
--- a/pyrmv/__init__.py
+++ b/pyrmv/__init__.py
@@ -29,4 +29,5 @@ from . import raw
 from . import errors
 from . import utility
 from . import classes
+from . import const
 from .methods import *
\ No newline at end of file
diff --git a/pyrmv/const/__init__.py b/pyrmv/const/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyrmv/const/product.py b/pyrmv/const/product.py
new file mode 100644
index 0000000..e635ae1
--- /dev/null
+++ b/pyrmv/const/product.py
@@ -0,0 +1,20 @@
+from typing import Dict
+
+# Constant is taken from source of PyRMVtransport:
+# https://github.com/cgtobi/PyRMVtransport/blob/development/RMVtransport/const.py
+PRODUCTS: Dict[str, int] = {
+    "ICE": 1,
+    "IC": 2,
+    "EC": 2,
+    "R": 4,
+    "RB": 4,
+    "RE": 4,
+    "S": 8,
+    "U-Bahn": 16,
+    "Tram": 32,
+    "Bus": 64,
+    "Bus2": 128,
+    "Fähre": 256,
+    "Taxi": 512,
+    "Bahn": 1024,
+}
\ No newline at end of file
diff --git a/setup.py b/setup.py
index b0efd36..03de73b 100644
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,7 @@ setup(
     packages=[
         "pyrmv",
         "pyrmv.raw",
+        "pyrmv.const",
         "pyrmv.errors",
         "pyrmv.methods",
         "pyrmv.utility",