Deer Whistles Animal Warning Whistle Safety Cars Motorcycles Trucks RVs Specifications: Color: Black Material: ABS Suitable for: Universal Features: 【SAVING BOTH LIFE AND CARS 】These deer car whistles devices make a sound automatically while the car speed reaches 50Km/h to drive animals away in a distance of several kilometers, which helps to avoid accidents caused by animals crossing the road, so that to save life, automobile & insurance cost. .
