4PCS Deer Whistles for Car, Automotive Save a Deer Whistles to Avoid Collisions, Vehicle Deer Warning Devices Horn Sensor, Universal Animal Alert Car Accessories

Wind-Powered Safety Device: Deer warning whistles automatically activate at speeds over 35 mph, emitting ultrasonic sounds that alert deer, elk, antelope, and kangaroo from up to a quarter mile away to prevent animal collisions with your vehicle

Double-Layer Construction: Features advanced dual-layer design with single-layer mounting for enhanced deer avoidance performance, providing superior protection compared to standard single-layer whistles

Durable ABS Material: Constructed from high-quality ABS plastic that is waterproof and dustproof, withstanding extreme hot and cold weather conditions, wind, and rain without breaking or deteriorating over time

Simple Adhesive Installation: Easy to install with pre-applied adhesive tape backing - just remove the protective film and stick to your bumper or front chassis, and removal is equally simple by gently warping edges and peeling off

Universal Vehicle Compatibility: Package includes 4 deer whistles suitable for cars, SUVs, sedans, and other vehicles, making them essential accessories for countryside and wilderness driving