diff --git a/dcs/config/ui/num_widget.py b/dcs/config/ui/num_widget.py
new file mode 100644
index 0000000..7652469
--- /dev/null
+++ b/dcs/config/ui/num_widget.py
@@ -0,0 +1,62 @@
+#  SPDX-License-Identifier: MPL-2.0
+#    Copyright (c) 2022 Philipp Le <philipp@philipple.de>.
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+
+from typing import Type
+from tkinter import ttk, StringVar
+from pydantic import ConstrainedInt, ConstrainedFloat
+
+from .base import make_config_widget_base
+
+
+class NumWidget(make_config_widget_base(ttk.Spinbox)):
+    MODEL_TYPE = int | float
+
+    def sync_out(self) -> None:
+        try:
+            setattr(self.model, self.model_key, self.type_(self._stringvar.get()))
+            self.notify_change()
+        except ValueError:
+            # Tolerate temporarily invalid values
+            pass
+
+    def sync_in(self) -> None:
+        val = getattr(self.model, self.model_key)
+        self._stringvar.set(str(val))
+
+    def _config_widget(self) -> None:
+        self._stringvar = StringVar(self.parent)
+        self.sync_in()
+        self.configure(textvariable=self._stringvar, command=lambda: self.sync_out())
+        self.bind('<KeyRelease>', lambda e: self.sync_out())
+        if issubclass(self.type_, ConstrainedInt):
+            tp: Type[ConstrainedInt] = self.type_
+            self.configure(increment=1)
+            if tp.gt is not None:
+                self.configure(from_=tp.gt + 1)
+            if tp.ge is not None:
+                self.configure(from_=tp.ge)
+            if tp.lt is not None:
+                self.configure(to=tp.lt - 1)
+            if tp.le is not None:
+                self.configure(to=tp.le)
+        elif issubclass(self.type_, ConstrainedFloat):
+            tp: Type[ConstrainedFloat] = self.type_
+            self.configure(increment=tp.multiple_of)
+            if tp.gt is not None:
+                self.configure(from_=tp.gt)
+            if tp.ge is not None:
+                self.configure(from_=tp.ge)
+            if tp.lt is not None:
+                self.configure(to=tp.lt)
+            if tp.le is not None:
+                self.configure(to=tp.le)
+        elif issubclass(self.type_, float):
+            raise TypeError(f'Please use ConstrainedFloat for {self.model_key}')
+        elif issubclass(self.type_, int):
+            raise TypeError(f'Please use ConstrainedInt for {self.model_key}')
+        else:
+            print(f'Unknown type f{repr(self.type_)}')