General description This AlwaysH 6 Piece Car Deer Whistle is a wildlife warning device designed to reduce the risk of collisions with animals such as deer, bears, cats, dogs, and various wild animals. By emitting ultrasonic waves, it effectively drives away dangerous animals, ensuring the safety of you and your family. Technical specifications Material: Plastic Quantity: 6 Dimensions: 50 mm x 32 mm Color: Black Installation Easy to install: Simply peel off the sticker on the bottom of the wildlife alarm and stick it on your vehicle's front bumper and grille. The siren will then emit ultrasonic waves to deter animals. Usage This wildlife siren is effective for vehicles traveling at 35 miles per hour or faster, working within a quarter mile to prevent collisions with animals that respond to high-frequency sounds. Other information Wide range of applications: Suitable for cars, off-road vehicles, trucks, motorcycles, ATVs, and campers. Package includes: 6 x Wildlife Warning Devices.