diff --git a/README.md b/README.md
index f6a8919..aefabaa 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ This HomeKit enabled sensor works the same as Elgato EVE Wheather!
 **Demo:**
 
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-<img src="https://github.com/HomeKidd/ESP8266-HomeKit-Weather-Station-BME280/raw/master/images/ios.gif" class="center" width="450"/>
+<img src="https://github.com/HomeKidd/ESP8266-HomeKit-Weather-Station-BME280/raw/master/images/ios.gif" class="center" width="250"/>
 
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