http://www.campingworld.com/shopping/item/nvision-trailblazer-electronic-deer-alert/57839
I have been running with this on my car for a year and a half. Nvision 12v deer alert.
EVERY dam deer I have seen has been either running away from my car, stopped in the middle of its run or chose to freeze. It even works at 80MPH!
I realize you can not prove a negative but given the number of deer strikes and close calls I have had in the past so far there is no doubt in my mind this works.
And for 11 bucks if it does not work at least its only 11 bucks.
http://www.campingworld.com/shopping/item/nvision-trailblazer-electronic-deer-alert/57839