ITEM NAME:1Pair Car Animal repeller 1 sonic + 1 Ultrasonic whistle For Deer kangaroo Black.This is a simple deer alert whistle that produces independent and unique sound waves that. Quantity: 2 (one wind and one ultrasonic). and install the ultrasonic style (port) on the other side. warn the animal of the upcoming car, preventing the animal from being hit by the vehicle.
