Update README.md

README.md

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 # React Native Power Saver Detector
-
-`react-native-power-saver-detector` is a React Native library that provides methods for checking Low Power Mode on iOS and Power Saver Mode on Android, as well as navigating to the Power Saver Mode settings on Android.
+`react-native-power-saver-detector` is a React Native library that provides methods for checking `Low Power Mode` on iOS and `Power Saver/Battery Saver` Mode on Android, as well as navigating to the `Power Saver/Battery Saver` Mode settings on Android.
+
+## Overview
+<table>
+  <tr>
+    <td style="text-align: center;"><b>Android</b></td>
+    <td style="text-align: center;"><b>iOS</b></td>
+  </tr>
+  <tr>
+    <td style="text-align: center;"><img src="https://github.com/tarikfp/react-native-power-saver-detector/assets/61876765/56c725be-f893-4b0c-af3a-c2dd4052faca" alt="Screenshot_1719612794" style="width: 100%; max-width: 200px;"></td>
+    <td style="text-align: center;"><img src="https://github.com/tarikfp/react-native-power-saver-detector/assets/61876765/a362997d-59aa-4aba-96e8-5d2bf9e77be6" alt="IMG_8027" style="width: 100%; max-width: 200px;"></td>
+  </tr>
+</table>
 
 ## Installation