diff --git a/src/detection/brightness/brightness.h b/src/detection/brightness/brightness.h
index f0adf329d..3db260a66 100644
--- a/src/detection/brightness/brightness.h
+++ b/src/detection/brightness/brightness.h
@@ -7,6 +7,7 @@ typedef struct FFBrightnessResult
 {
     FFstrbuf name;
     double min, max, current;
+    bool builtin;
 } FFBrightnessResult;
 
 const char* ffDetectBrightness(FFBrightnessOptions* options, FFlist* result); // list of FFBrightnessResult
diff --git a/src/detection/brightness/brightness_apple.c b/src/detection/brightness/brightness_apple.c
index e10d912be..de3750a94 100644
--- a/src/detection/brightness/brightness_apple.c
+++ b/src/detection/brightness/brightness_apple.c
@@ -42,6 +42,7 @@ static const char* detectWithDisplayServices(const FFDisplayServerResult* displa
                 brightness->max = 1;
                 brightness->min = 0;
                 ffStrbufInitCopy(&brightness->name, &display->name);
+                brightness->builtin = true;
             }
         }
     }
@@ -111,6 +112,7 @@ static const char* detectWithDdcci(FF_MAYBE_UNUSED const FFDisplayServerResult*
             brightness->min = 0;
             brightness->current = current;
             ffStrbufInit(&brightness->name);
+            brightness->builtin = false;
 
             uint8_t edid[128] = {};
             if (IOAVServiceReadI2C(service, 0x50, 0x00, edid, ARRAY_SIZE(edid)) == KERN_SUCCESS)
@@ -179,6 +181,7 @@ static const char* detectWithDdcci(const FFDisplayServerResult* displayServer, F
             brightness->min = 0;
             brightness->current = current;
             ffStrbufInitCopy(&brightness->name, &display->name);
+            brightness->builtin = false;
         }
     }
 
diff --git a/src/detection/brightness/brightness_bsd.c b/src/detection/brightness/brightness_bsd.c
index c77c378fe..6b7a0a8b3 100644
--- a/src/detection/brightness/brightness_bsd.c
+++ b/src/detection/brightness/brightness_bsd.c
@@ -32,6 +32,7 @@ const char* ffDetectBrightness(FF_MAYBE_UNUSED FFBrightnessOptions* options, FFl
         brightness->max = BACKLIGHTMAXLEVELS;
         brightness->min = 0;
         brightness->current = status.brightness;
+        brightness->builtin = true;
 
         struct backlight_info info;
         if(ioctl(blfd, BACKLIGHTGETINFO, &info) == 0)
diff --git a/src/detection/brightness/brightness_linux.c b/src/detection/brightness/brightness_linux.c
index 645fb58c6..602649c3c 100644
--- a/src/detection/brightness/brightness_linux.c
+++ b/src/detection/brightness/brightness_linux.c
@@ -74,6 +74,7 @@ static const char* detectWithBacklight(FFlist* result)
                 brightness->max = ffStrbufToDouble(&buffer);
                 brightness->min = 0;
                 brightness->current = actualBrightness;
+                brightness->builtin = true;
             }
         }
         ffStrbufSubstrBefore(&backlightDir, backlightDirLength);
diff --git a/src/detection/brightness/brightness_nbsd.c b/src/detection/brightness/brightness_nbsd.c
index 1fd7773b0..67464772e 100644
--- a/src/detection/brightness/brightness_nbsd.c
+++ b/src/detection/brightness/brightness_nbsd.c
@@ -7,7 +7,7 @@ const char* ffDetectBrightness(FF_MAYBE_UNUSED FFBrightnessOptions* options, FFl
     // https://man.netbsd.org/NetBSD-10.1/acpiout.4#DESCRIPTION
     char key[] = "hw.acpi.acpiout0.brightness";
     char* pn = key + strlen("hw.acpi.acpiout");
-    
+
     for (uint32_t i = 0; i <= 9; ++i)
     {
         *pn = (char) ('0' + i);
@@ -20,6 +20,7 @@ const char* ffDetectBrightness(FF_MAYBE_UNUSED FFBrightnessOptions* options, FFl
         brightness->max = 100;
         brightness->min = 0;
         brightness->current = value;
+        brightness->builtin = true;
     }
     return NULL;
 }
diff --git a/src/detection/brightness/brightness_obsd.c b/src/detection/brightness/brightness_obsd.c
index ea5d7334c..bb0bd861b 100644
--- a/src/detection/brightness/brightness_obsd.c
+++ b/src/detection/brightness/brightness_obsd.c
@@ -25,6 +25,7 @@ const char* ffDetectBrightness(FF_MAYBE_UNUSED FFBrightnessOptions* options, FFl
     brightness->max = param.max;
     brightness->min = param.min;
     brightness->current = param.curval;
+    brightness->builtin = true;
 
     return NULL;
 }
diff --git a/src/detection/brightness/brightness_windows.cpp b/src/detection/brightness/brightness_windows.cpp
index fbbcf6e35..27d53cca8 100644
--- a/src/detection/brightness/brightness_windows.cpp
+++ b/src/detection/brightness/brightness_windows.cpp
@@ -24,6 +24,7 @@ static const char* detectWithWmi(FFlist* result)
             brightness->max = 100;
             brightness->min = 0;
             brightness->current = vtValue.get<uint8_t>();
+            brightness->builtin = true;
 
             ffStrbufInit(&brightness->name);
             if (FFWmiVariant vtName = record.get(L"InstanceName"))
@@ -61,6 +62,7 @@ static const char* detectWithDdcci(const FFDisplayServerResult* displayServer, F
                 brightness->max = max;
                 brightness->min = min;
                 brightness->current = curr;
+                brightness->builtin = false;
             }
         }
     }
diff --git a/src/modules/brightness/brightness.c b/src/modules/brightness/brightness.c
index e4862f526..78caf587f 100644
--- a/src/modules/brightness/brightness.c
+++ b/src/modules/brightness/brightness.c
@@ -82,6 +82,8 @@ void ffPrintBrightness(FFBrightnessOptions* options)
                 ffPercentAppendNum(&str, percent, options->percent, str.length > 0, &options->moduleArgs);
             }
 
+            ffStrbufAppendS(&str, item->builtin ? " [Built-in]" : " [External]");
+
             ffStrbufPutTo(&str, stdout);
         }
         else
@@ -100,6 +102,7 @@ void ffPrintBrightness(FFBrightnessOptions* options)
                 FF_FORMAT_ARG(item->min, "min"),
                 FF_FORMAT_ARG(item->current, "current"),
                 FF_FORMAT_ARG(valueBar, "percentage-bar"),
+                FF_FORMAT_ARG(item->builtin, "is-builtin"),
             }));
         }
 
@@ -204,6 +207,7 @@ void ffGenerateBrightnessJsonResult(FF_MAYBE_UNUSED FFBrightnessOptions* options
         yyjson_mut_obj_add_real(doc, obj, "max", item->max);
         yyjson_mut_obj_add_real(doc, obj, "min", item->min);
         yyjson_mut_obj_add_real(doc, obj, "current", item->current);
+        yyjson_mut_obj_add_bool(doc, obj, "builtin", item->builtin);
     }
 
     FF_LIST_FOR_EACH(FFBrightnessResult, item, result)
@@ -227,6 +231,7 @@ static FFModuleBaseInfo ffModuleInfo = {
         {"Minimum brightness value", "min"},
         {"Current brightness value", "current"},
         {"Screen brightness (percentage bar)", "percentage-bar"},
+        {"Is built-in screen", "is-builtin"},
     }))
 };