diff --git a/miio/chuangmi_camera.py b/miio/chuangmi_camera.py
index 722d0bf56..78cf2b19a 100644
--- a/miio/chuangmi_camera.py
+++ b/miio/chuangmi_camera.py
@@ -71,6 +71,7 @@ class NASVideoRetentionTime(enum.IntEnum):
     "chuangmi.camera.ipc009",
     "chuangmi.camera.ipc013",
     "chuangmi.camera.ipc019",
+    "chuangmi.camera.021a04",
     "chuangmi.camera.038a2",
 ]