GJX 10 Pieces Deer Whistle Save a Deer Whistles Avoids Collisions, Deer Whistles for Car Deer Warning Devices Animal Alert for Cars and Motorcycles (Silver)

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.
Safe for You and Your Pet: The deer warning device is equipped with 10 whistles, 5 of them produce sound waves, the others produce ultrasound; however, people and pets (such as dogs, cats) in the car can't hear it, so there's no damage to your ears or health.
Easy to Install and Remove: Just remove the adhesive backing and apply the whistles to the grill, front bumper, rearview 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, this animal alert whistle can resist bad weather. It can work well even when staying outside under extremely hot or freezing weather conditions.
Safe Accessory for Driver: The deer warning device is a necessary car accessory for drivers who live in wild areas. The whistle produces ultrasonic frequencies and makes a warning sound, thereby reducing vehicle collisions.