diff --git a/custom_components/xiaomi_home/miot/specs/spec_modify.yaml b/custom_components/xiaomi_home/miot/specs/spec_modify.yaml
index ff5ab33..8cff9a0 100644
--- a/custom_components/xiaomi_home/miot/specs/spec_modify.yaml
+++ b/custom_components/xiaomi_home/miot/specs/spec_modify.yaml
@@ -1,6 +1,16 @@
 urn:miot-spec-v2:device:air-condition-outlet:0000A045:lumi-mcn04:1:
   prop.3.4:
     format: uint8
+urn:miot-spec-v2:device:air-conditioner:0000A004:daikin-k2:1:
+  prop.2.1:
+    name: ac-on
+    format: string
+  prop.2.2:
+    name: ac-mode
+    format: string
+  prop.3.1:
+    name: ac-fan-level
+    format: string
 urn:miot-spec-v2:device:air-conditioner:0000A004:qdhkl-a42:1:
   prop.2.2:
     value-list: