diff --git a/homeassistant/components/alarmdecoder/icons.json b/homeassistant/components/alarmdecoder/icons.json
new file mode 100644
index 00000000000..80835a049c8
--- /dev/null
+++ b/homeassistant/components/alarmdecoder/icons.json
@@ -0,0 +1,13 @@
+{
+  "entity": {
+    "sensor": {
+      "alarm_panel_display": {
+        "default": "mdi:alarm-check"
+      }
+    }
+  },
+  "services": {
+    "alarm_keypress": "mdi:dialpad",
+    "alarm_toggle_chime": "mdi:abc"
+  }
+}
diff --git a/homeassistant/components/alarmdecoder/sensor.py b/homeassistant/components/alarmdecoder/sensor.py
index f0ffc7e7158..1598171649b 100644
--- a/homeassistant/components/alarmdecoder/sensor.py
+++ b/homeassistant/components/alarmdecoder/sensor.py
@@ -20,7 +20,7 @@ async def async_setup_entry(
 class AlarmDecoderSensor(SensorEntity):
     """Representation of an AlarmDecoder keypad."""
 
-    _attr_icon = "mdi:alarm-check"
+    _attr_translation_key = "alarm_panel_display"
     _attr_name = "Alarm Panel Display"
     _attr_should_poll = False