BWBWND 4 PCS Deer Whistles for Cars, Save Deer Avoid Collisions Animal Alert Device with Rubber Mounts, Universal Vehicle Horn Sensor Compatible with Trucks Motorcycles SUVs (White)

Road Safety: The primary function of this deer whistle is to improve road safety by alerting deer and other wildlife of an approaching vehicle. As air flows through the whistle at higher speeds, it generates a distinct sound and ultrasonic wave pattern that can be detected by animals from a distance

Operating Mechanism: This deer whistle operates by producing varying frequencies through two enclosed chambers with different hole sizes. These sound signals become active automatically when the vehicle reaches speeds above 35 miles per hour, emitting a ultrasonic noise that can be heard by deer from up to a quarter mile away

Premium Quality: This deer whistle warning device is expertly crafted from premium quality ABS material. Designed to withstand a wide range of environmental conditions, it remains fully functional whether you're driving through the intense heat of summer, freezing winter temperatures, or heavy rainstorms

Simple Installation: Each unit comes with a strong adhesive backing that allows for quick mounting on a variety of flat surfaces. For optimal performance, it is recommended to position the whistle facing forward and parallel to the ground in areas with maximum airflow exposure

Universal Compatibility: Available in convenient package options containing either 2 pieces or 4 pieces, this deer whistle set allows customers to choose the quantity that fits their needs. Its universal design makes it suitable for use on most types of vehicles