diff --git a/README.md b/README.md
index c142047..06f3af2 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # HKC Alarm Integration for Home Assistant
 
+> [!CAUTION]
+> This integration is only recommended for HKC users who have an alarm system with HKC's WiFi card, rather than users who are purely using GSM. GSM-only users may encounter rate limiting from HKC, so it isn't advisable to use.
+
 This repository contains an unofficial Home Assistant integration for [HKC Alarm](https://www.hkcsecurity.com/) systems, allowing you to control and monitor your HKC Alarm directly from Home Assistant.
 
 ## Installation
@@ -56,4 +59,4 @@ This will produce detailed debug logs which can help in diagnosing the problem.
 ## Links
 
 - [Github Repository](https://github.com/jasonmadigan/pyhkc)
-- [HKC Alarm PyPi Package](https://pypi.org/project/pyhkc/)
\ No newline at end of file
+- [HKC Alarm PyPi Package](https://pypi.org/project/pyhkc/)