actually that was not the one I was thinkin about but that ones cool. the one I saw basically shoots flames out the sides as if you had a dragster motors and your headers came out the side by your doors and basically makes a wall of fire on your sides so no way anyone can try to get in your car. that one comes out the back or something... Goin through google I found a couple more cool car alarms here
http://www.techeblog.com/index.php/t...r-gadgets-ever