diff --git a/AS923_HK_DECODER.js b/AS923_HK_DECODER.js
index 3c0f205..a1ab8f1 100644
--- a/AS923_HK_DECODER.js
+++ b/AS923_HK_DECODER.js
@@ -344,7 +344,7 @@ function Decode(fPort, data, variables) {
             data.rss_reserve04 = bytes[32];
             data.reserve2 = bytes[33];
             data.reserve3 = bytes[34];
-            data.reserve4 = bytes[35];
+            data.sensor_install_height = bytes[35] * 10 + " cm";
 
             data.alarm_parameter05 = bytes[36];
             data.alarm_mute_expire_timer = bytes[37];
@@ -469,4 +469,4 @@ function Decode(fPort, data, variables) {
         }
         return { "Yunhorn_SmarToilets_data": data };
     }
-}
+}
\ No newline at end of file