How to keep the stray cats away?

Don't get me wrong, I like cats but they are so many stray cats here leavinig their furs and poop at my place, I mean furs on my car and they scratches my car too. They leave poop at my garden. I found this item from Daiso where I can try keep the stray cats away from my place. I will post up the picture later. The item is very stinky eww makes me want to vomit when smell it.