The Original Hopper Stopper GWS - Game Warning System

Hopper Stopper alerts kangaroos, dogs and wildlife to the approach of your vehicle. Providing drivers with an 80% protection rate against accidental damage caused by animal/vehicle contact. The Hopper Stopper is a pair of wind-activated devices designed to fit on the grille of motor vehicles and at speeds over 55km/h emits a whistle that increases in frequency until it exceeds the upper range of human hearing and alerts animals to oncoming traffic and possible danger. 

This device has been used in Australia and the U.S.A. for over twenty years and is proven to be effective on wildlife.  Hopper Stoppers are fitted extensively to the vehicles of rangers in National Parks. Over 300,000 of the original Hopper Stopper have been sold and used in Australia.

Available in retail locations throughout Australia, Don’t be fooled by cheap imitations, this is the Original Hopper Stopper. http://www.noelsautoparts.com.au/hopper.htm