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diff --git a/resource/HWT905-RS232/HWT905-RS232  REAM ME.txt b/resource/HWT905-RS232/HWT905-RS232  REAM ME.txt
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+RELEASE NOTES
+=============
+WITMOTION Turotial File 
+
+Package version: 2023.06.26
+Release date:    2023-06-26
+
+This package contains all necessary files for set-up of the sensor.
+
+Unzip the .zip file and you will have a directory containing the files.
+
+-----------
+Website: 
+https://www.wit-motion.com/
+
+Document download link:
+
+Google Drive: 
+https://drive.google.com/open?id=1s-7NIhHXFyLhF8TmCFdrVPz80SwS3C1i
+
+-----------
+Youtube Channel:
+https://www.youtube.com/c/WITMOTION
+
+HWT905-RS232 Playlist: 
+https://youtube.com/playlist?list=PL43tdDrVL_VC49nv2WW4NphnUTxSkQ_cZ
+
+-----------
+After-sale Service& Technical Support: 
+If you have queries about the sensors' set-up, software installation, APP, drivers
+or any other questions, suggestions, please feel free to contact us.
+
+Our engineering team is committed to providing the required support necessary 
+to ensure that you are satisfied with WITMOTION sensor and the service.
+
+1. Please find the below link of detailed contact method  (support@wit-motion.com)
+https://www.wit-motion.com/contacts/
+
+2. Double-confirmed which platform you bought and 
+contact the corresponding team by the provided way
+
+3. Sending a message including the problem and necessary description 
+would be highly helpful to give a workable solution with details
+
+4. Leave a note indicating the platform you placed the order, 
+the order ID, so it is intuitive to check the model you purchase 
+and accessory you may buy
+
+5. For a complicated issue like calibration, PIN connection, configurations, 
+it is recommended to provide necessary files including screenshots, 
+taking several pictures, or shooting videos. A short video including the PIN connection, 
+software setup, operation details would be preferred.
+It would be further help for remote diagnostics.
+
+