HNCSMILE&reg; Car Vehicle Electronics Rodent Pest Repellent Repeller, Ultrasonic Wave to Repel Viano Rat Mice Weasel Marten Squirrels Away, Non Toxic Use high tech ultrasonic wave to repel mice, rats, martens,squirrels and other animals away from your vehicle Protect Wires Cables and other equipment of Your Car from pest damage, keep your car in a safe condition. Hygienic,Non toxic, No poison, Eco-friendly, No pollutions and no harm to human, Use a scientific way to repel pest awat from your car! Special design with high quality packing case, easy to use and install. An essential high tech product for all drivers, A very nice and useful car accessory