Safe driving: the deer whistle alerts you to oncoming vehicles from deer and other large animals to avoid hitting. It can generate unique sound waves to keep harmful animals away from your vehicle and ensure safe driving. High Quality Material: The car deer repeller is made of high quality ABS plastic. It is safe and durable, and the reaction effect is very delicate. It can adapt well to the external environment and will not damage the bumper. Practical Design: A design that drives animals humanely. Use natural wind, ultrasonic waves and physical phenomena to power different animals. protect animals from harm. At the same time, it will not bother people. Easy Installation: Just peel off the adhesive tape cover and stick the device to your bumper or grille. Very durable and stable, when it rains or snows, it won't fall off while driving. Driver Safety Gift: This is a defensive car accessory for drivers in the wild. The siren warns of ultrasonic frequencies and wind noise, reducing risks and is an ideal gift for your family and friends.