Winpest Under Hood Animal Repeller Rodent Repellent Ultrasonic Rat Deterrent LED Strobe Lights Ultrasonic Car Rodent Repellent Ultrasonic Pest Repeller for Cars 2Packs

How It Works The Ultrasonic Rodent Repellent works in cycles. During each cycle, ultrasonic waves and LED flashlights will be emitted alternatively or simultaneously. The sound frequency will constantly change so that the animals and pests don¡¯t get used to the same sound being produced. *The ultrasonic waves are silent to human ear. It Is Safe To Your Automobile The Ultrasonic Rodent Repeller runs on vehicle battery and will not affect the functionality of engine or other parts in your car Energy Saving Auto standby to save battery power while driving; Automatically resume work 20 seconds after the car is parkedbr> Low Voltage Protection Automatically stops working to protect the vehicle battery when battery voltage drops below 10.5 volts; Automatically resume work when the voltage rises to 11 volts or above Features Pest Control for Cars Rid a Rat for Car Engines Easy to Mount Zip ties, USB cable and DC cable included LED Light ON/OFF Button Low Power Consumption Fire-Proof NOTE: The minimum voltage needed to start a car varies from car to car. It is suggested that your car battery should be fully charged at least twice every month to maintain sufficient battery power. Package Includes 2* Under Hood Animal Repeller 2* Power Cord 2* User Manual