Frienda 30 Pcs Deer Whistles for Vehicles Wind Activated Ultrasonic Deer Warning, Whistles Avoids Collisions, Warning Devices with Waterproof Adhesive Tapes for Car/Motorcycle(E Style)

Practical Performance: air moving through the deer whistles for vehicles will produce sound or ultrasound, this kind of sound can alert deer, elk, moose, antelope and kangaroos approaching vehicles, which effectively avoid deer and vehicle collisions

East to Use and Remove: just remove the backing and apply the car deer whistle 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

Car Safety Accessories: the deer warning device is equipped with 30 deer whistles for cars, 15 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

Quality Material: made of quality plastic, these car deer whistles deterrent warning devices are sturdy and reliable, which can resist bad weathers, work well even stays outside under extremely hot or freezing weather conditions

Safe Accessory for Driver: the deer whistle device is a practical car accessory for driver who live in a wild area; The whistle produces ultrasonic frequencies and make warning sound, thereby reducing vehicle collisions