2PCS Vehicle Wind Ultrasonic Animal Drive Alarm BLACK COLOR B STYLE

Package Included: 2 x Warnin g Whistle s Specifications: Material: ABS Type: Glue Sticker Color:Black,Silver Size: Type B: 5.5 x 2.5 x 3.5CM Fitment: universa l fit for all cars Feature: - Warns deer and other animals of your oncoming vehicle. - Cannot be heard by passengers or pets inside car. - For added peace of mind while driving, especially at night. - Ultrasonic Animal Warnin g Whistle s. - Fit all brand of cars, van s, trucks and motorcyles. - Easy and Quick Installation: - Peel protective paper from self stick whistle. - Mount to clean and dry surface of bumper or grill. - Make sure round opening face front. - This device emits ultrasonic sound which are unheard to humans or pets inside of your car. - Sonic warnin g works automatically day or night at speeds over 30 mph. Install Process : This product has a sticker on the back, you can stick it to your car ,motorcyle and bicycle. When you driving or riding , the wind will blow into the the product and make sound , it works like a whistle , to warin g the animal you are coming You need to examine the deer whistle occasionally to be sure it is still mounted to the vehicle and that ai r holes are not blocked