Features:1. Physical Ulsound: This product is specially designed to drive animals away while driving. It uses the physics of sound and ulsound to drive animals away and protect them from harm.2. Practical and convenient: it is composed of closed wind and wave nsmiion. When installed in a car, the airflow will pa through the product at more than 40 yards, creating screeching and ulsonic waves that physically repel the animals.3, distance: ulsonic. It can automatically emit ulsonic waves at speeds above 35 mph, day or night, and warn deer 1/4 mile away.4. High-quality materials: This equment is made of high-quality materials, which can withstand all kinds of weather and can work normally even in extreme high temperature or sub-zero conditions outdoors.5. Simple installation: just tear off the plastic cover and stithe device to theper or rearview mirror, tearing off will not damage the car , and it is watertight and can withstand harsh envments.describe:Our deer warning helps you warn animals on the road in a friendly way.Specification:Name: Ulsonic Animal AlerterProduct material: ABS + acrylic Product size: single piece size - about 3*2.5*1.7cm/1.18*0.98*00.67inProduct weight: about 16.5g/pairApplicable models: generalpacking list1*hole ulsonic warning device1 perforated notes:Due to lighting effects and shooting angle, the color of the item may be slightly different from the color shown in the ture.Due to manual measurement, there may be errors in product size