Helpful tool: air moving through the deer whistle will produce sound/ ultrasound, this kind of sound can alert deer, elk, moose, antelope and kangaroos approaching vehicles, which effectively avoid deer and vehicle collisions.
No need wiring, batteries or any electrical, powered by wind energy, when it mounted to a vehicle, car, truck, or motorcycle moving at 35 mph or faster, the deer whistles will ultrasonic alerts deer, elk, moose, antelope and other wildlife up to 1/4 mile away and assists with accident prevention, help avoid deer and vehicle collisions.
East to install and remove: just remove the adhesive backing and apply the whistles to the grill, front bumper, rear view mirror, or any flat place of your vehicle; Make sure the bigger ends are facing the front, and the deer whistle is level with the horizon; The ideal place is where the air flows most, followed by grill, front bumper, they can be easily removed from the base when car washing is needed.
Quality animal alert: made of quality plastic, sturdy and durable, this animal alert whistle can resist bad weathers; It can work well even stays outside under extremely hot or freezing weather conditions.
Safe accessory for driver: the deer warning device is a necessary car accessory for driver who live in a wild area; The whistle produces ultrasonic frequencies and make warning sound, thereby reducing vehicle collisions.