diff --git a/src/UI/UI_dial.cpp b/src/UI/UI_dial.cpp
index e1ab129..6f42b4b 100644
--- a/src/UI/UI_dial.cpp
+++ b/src/UI/UI_dial.cpp
@@ -26,6 +26,16 @@ double UI_dial::value() const
     return m_value;
 }
 
+double UI_dial::min() const
+{
+    return m_min;
+}
+
+double UI_dial::max() const
+{
+    return m_max;
+}
+
 void UI_dial::from_json(const json& j)
 {
     UI_item::from_json(j);
diff --git a/src/UI/UI_dial.hpp b/src/UI/UI_dial.hpp
index b94a85a..36a5950 100644
--- a/src/UI/UI_dial.hpp
+++ b/src/UI/UI_dial.hpp
@@ -12,6 +12,9 @@ class UI_dial : public UI_item
         void set_value(double value) override;
         double value() const;
 
+        double min() const;
+        double max() const;
+
         void from_json(const json& j) override;
         json to_json() const override;
     private:
diff --git a/src/UI/UI_slider.cpp b/src/UI/UI_slider.cpp
index 3f0f763..405fd53 100644
--- a/src/UI/UI_slider.cpp
+++ b/src/UI/UI_slider.cpp
@@ -31,6 +31,16 @@ double UI_slider::value() const
     return m_value;
 }
 
+double UI_slider::min() const
+{
+    return m_min;
+}
+
+double UI_slider::max() const
+{
+    return m_max;
+}
+
 void UI_slider::from_json(const json& j)
 {
     UI_item::from_json(j);
diff --git a/src/UI/UI_slider.hpp b/src/UI/UI_slider.hpp
index 994b2dd..7cbd816 100644
--- a/src/UI/UI_slider.hpp
+++ b/src/UI/UI_slider.hpp
@@ -12,6 +12,9 @@ class UI_slider : public UI_item
         void set_value(double value) override;
         double value() const;
 
+        double min() const;
+        double max() const;
+
         void from_json(const json& j) override;
         json to_json() const override;
     private:
diff --git a/src/UI/UI_thermo.cpp b/src/UI/UI_thermo.cpp
index be3db8b..fe7a059 100644
--- a/src/UI/UI_thermo.cpp
+++ b/src/UI/UI_thermo.cpp
@@ -26,6 +26,16 @@ double UI_thermo::value() const
     return m_value;
 }
 
+double UI_thermo::min() const
+{
+    return m_min;
+}
+
+double UI_thermo::max() const
+{
+    return m_max;
+}
+
 void UI_thermo::set_start_color(Color color)
 {
     this->m_color_map[0] = color;
diff --git a/src/UI/UI_thermo.hpp b/src/UI/UI_thermo.hpp
index 12077da..a255771 100644
--- a/src/UI/UI_thermo.hpp
+++ b/src/UI/UI_thermo.hpp
@@ -13,6 +13,9 @@ class UI_thermo : public UI_item
         void set_value(double value) override;
         double value() const;
 
+        double min() const;
+        double max() const;
+
         void set_start_color(Color color);
         void set_end_color(Color color);
         void add_color_stop(double value, Color color);