diff --git a/libnymea/interfaces/alarm.json b/libnymea/interfaces/alarm.json
new file mode 100644
index 00000000..52fedb8a
--- /dev/null
+++ b/libnymea/interfaces/alarm.json
@@ -0,0 +1,9 @@
+{
+    "description": "An interface for alarms, such as fire or intruder alarms.",
+    "actions": [
+        {
+            "name": "alarm",
+            "logged": true
+        }
+    ]
+}
diff --git a/libnymea/interfaces/alert.json b/libnymea/interfaces/alert.json
index 8e4bc8c9..8a24ad6d 100644
--- a/libnymea/interfaces/alert.json
+++ b/libnymea/interfaces/alert.json
@@ -1,5 +1,5 @@
 {
-    "description": "Used for things that have some sort of alert. For instance, light bulbs may be able to blink on alert actions, or speaker might be able to play an alert sound. Zigbee devices for example often provide alert actions to identify themselves.",
+    "description": "Used for things that have some sort of alert. For instance, light bulbs may be able to blink on alert actions, or speaker might be able to play an alert sound.",
     "actions": [
         {
             "name": "alert"
diff --git a/libnymea/interfaces/firesensor.json b/libnymea/interfaces/firesensor.json
new file mode 100644
index 00000000..87f39e20
--- /dev/null
+++ b/libnymea/interfaces/firesensor.json
@@ -0,0 +1,11 @@
+{
+    "description": "An interface for fire/smoke sensors.",
+    "extends": "sensor",
+    "states": [
+        {
+            "name": "fireDetected",
+            "type": "bool",
+            "logged": true
+        }
+    ]
+}
diff --git a/libnymea/interfaces/interfaces.qrc b/libnymea/interfaces/interfaces.qrc
index 61fc8c63..0d30b72d 100644
--- a/libnymea/interfaces/interfaces.qrc
+++ b/libnymea/interfaces/interfaces.qrc
@@ -93,5 +93,7 @@
         <file>heatpump.json</file>
         <file>smartgridheatpump.json</file>
         <file>simpleheatpump.json</file>
+        <file>alarm.json</file>
+        <file>firesensor.json</file>
     </qresource>
 </RCC>