4Pcs Car Deer Warning Whistles – Ultrasonic Animal Repeller
4Pcs Car Deer Warning Whistles – Ultrasonic Animal Repeller
4-Pack Car Deer Warning Whistles – Ultrasonic Animal Repeller Device
Keep roads safer for you and wildlife with these compact, waterproof deer warning whistles. Designed to mount easily on your vehicle, these physical ultrasonic devices emit high-frequency sound waves at speeds above 35 MPH, alerting deer and other animals up to 1/4 mile away — helping you avoid unexpected encounters on the road.
Key Features
- Physical Ultrasonic Technology: Harnesses airflow to automatically generate ultrasonic waves day and night whenever your vehicle exceeds 35 MPH — no batteries or electronics required.
- Wide Alert Range: Creates distinctive sounds and ultrasonic waves that can be detected by animals over 400 feet (approx. 1/4 mile) ahead, giving wildlife ample time to clear the road.
- Premium ABS + Acrylic Construction: Built from durable ABS plastic with acrylic adhesive backing — resistant to extreme temperatures and fully waterproof for year-round use in any climate.
- No-Drill Installation: Simply peel off the protective cover and press firmly onto your front bumper, grille, or next to your rearview mirror. Leaves no damage to your vehicle's surface.
- Versatile Compatibility: Suitable for cars, trucks, SUVs, motorcycles, and ATVs — anywhere airflow can pass through the device at speed.
- Set of 4: Includes 4 individual whistles for maximum coverage across the front of your vehicle.
Product Specifications
| Material | ABS + Acrylic Adhesive |
| Dimensions | Approx. 3 × 2.5 × 1.7 cm (1.18 × 0.98 × 0.67 in) |
| Weight | Approx. 33g per 2 pcs |
| Color | Black |
| Quantity | 4 Whistles per Set |
| Country of Origin | Made in Mainland China |
What's in the Box
- 4 × Deer Warning Whistles
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Note: Slight color variations may occur between product images and actual item due to screen display settings. Please allow minor dimensional differences due to manual measurement.
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: How do these car deer warning whistles work?
A: The deer warning whistles use physical ultrasonic technology — when your vehicle reaches speeds above 35 MPH, airflow passes through the whistle chambers, generating ultrasonic sound waves that travel up to 1/4 mile ahead. These high-frequency sounds alert deer and other animals, encouraging them to move away from the road before your vehicle arrives.
Q: Where should I mount the deer whistles on my car?
A: For best results, attach the whistles to the front bumper or grille where airflow is strongest. You can also place them near the rearview mirror area. Installation is simple — just peel off the backing and press firmly onto a clean, dry surface. No drilling or tools are required.
Q: Are these deer whistles waterproof and suitable for all weather?
A: Yes! The whistles are made from durable ABS plastic with an acrylic adhesive backing, making them fully waterproof and capable of withstanding both very high and very low temperatures. They are designed for year-round, all-weather use on cars, trucks, motorcycles, and other vehicles.
Q: How many whistles are included in the set?
A: Each set includes 4 deer warning whistles, providing enough coverage to mount on multiple points across the front of your vehicle for optimal animal-alerting range.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.