Custom Accessories - Deer Warning Device - Black - 1 Pk

Help prevent injuries and costly repairs from animals with a deer alert by Custom Accessories. This deer alert animal warning whistle radiates sound waves that warn most types of animals of your oncoming vehicle. Passengers and pets inside your vehicle will not hear the high-frequency sound. Wind-activated, these whistles require no batteries and are easy to install with self-adhesive backing on the exterior of the vehicle.