Product information:
Color classification: Black
Materials: High-quality plastic
Function: These Animal Alert whistles work at the wind speeds above 35 mph, when it working the deer will turn and run away without being harmed.
Installation: Just remove the adhesive back and affix the deer alert whistles to the front bumper of the vehicle. Not need electricity !
Compatible: The Animal Alert whistle wildlife warning devices compatible with all Car, SUV, Truck, Motorcycle and ATV.