Of course (the watermark is in the lower right), it's just a visualization. I'm spending my money buying parts for the prototype instead of professional renders.

You need to disclose that more clearly, at first glance I thought your actual prototype was pictured in the video until I noticed the snow just magically disappeared. I didn't even notice the watermark, and even if I had I wouldn't know that the random 4-pointed star meant "AI Generated Video".

I'd much rather see videos of a prototype than a fictional video that has no bearing on how the thing actually works. Especially since you list pricing on your website, making visitors think it's a currently-operating business.