General description This Ultrasonic Car Repellent is an effective electronic deterrent designed to keep rats and other pests away from your vehicle, barn, or kitchen. Utilizing smart microelectronic chips, it emits specially designed ultrasonic waves ranging from 12-24KHz along with LED strobe lights to create an uncomfortable environment for unwanted animals, prompting them to flee. Technical specifications Ultrasonic frequency: 12-24KHz LED light: Red and white Material: Heat-resistant, non-toxic Installation Easy installation with wiring hardware connected to the car circuit. Operates when the vehicle is off and on. Stops functioning when the engine is running. Usage Protects your car from rodent damage. Can be safely left outside without concern for pests. Other information Emits high-frequency tones that are inaudible to humans. Safe for humans, pets, and non-rodents. Noise-free operation.