30 desc Simple Video Ad that explains my product idea to common audience

Hello I am doing a Entrepreneur class. I have created a Business plan for an idea. I have to present in class in another 2-3 days. I need a simple Video Ad of 30 sec that can explain my idea to common audience . For example using this example [login to view URL] If you look at the video "Introduction to Amazon Redshift Data warehousing". I want my ad to be on similar lines. A narration would be awesome If interested, I can give more details