PCS Ultrasonic Anti-Game Whistle, Ultrasonic Car Whistle, Wild Boar Whistle and Anti-Deer Car Whistle, Anti-Collision Warning Device for Car, Motorcycle, SUV, Truck and Roads

【Animal Road Alert】: This 8-piece set of car wildlife whistles helps warn wild animals as your vehicle passes. The ultrasonic sound helps reduce the risk of encounters with wildlife on rural roads. 【Airflow Operation】: Each ultrasonic wildlife whistle operates without batteries or cables, thanks to the airflow while driving. The ultrasonic car signal is triggered when the vehicle is moving, for simple everyday use. 【For Wild Boars and Deer】: The car deer warning sound and the ultrasonic wild boar whistle are designed to alert certain wild animals near the road. The wild boar whistle is suitable for driving in the countryside, forests, or mountains. 【Multi-Vehicle Compatibility】: This ultrasonic car whistle can be installed on cars, SUVs, trucks, or vans. It can also be used as an ultrasonic motorcycle whistle, depending on the chosen location, to increase vigilance on routes exposed to game. 【Easy Installation and Durable Use】: The car game scarer easily attaches to a clean, dry surface. This durable plastic car wild boar whistle acts as both an ultrasonic transducer and a practical ultrasonic whistle.