Vehicle Wind Ultrasonic Animal Drive Alarm

Package Included: 2 x Warnin g Whistle s Specifications: Material: ABS Type: Glue Sticker Color:Black,Silver Size: Type A: 6 x 3.5 x 5CM 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