Angveirt Under Hood Animal Repeller, Mouse Rat Deterrent for Car, Vehicle Wire Protection Keep Mice Out of Car, Rodent Repellent Ultrasonic Pest Control Repellent Chaser for 12V 24V Car Battery - Grey UNDER HOOD ANIMAL REPELLER - Chases pesky animals by emitting a powerful and fluctuating sound waves, ultrasonic waves and LED flash lights that are very irritating to them, to stop rodents from chewing wires KEEP RAT OUT OF YOUR CAR - Repels rats, mice, rabbits, squirrels, martens, sables, cats, chipmunks and other destructive rodents from building nests in your car engine compartments EASY TO INSTALL TO CAR BATTERY - Connect the two connectors on the power cord to the positive and negative terminals of the vehicle battery, mount the auto animal repellent to the engine room with included zip ties AUTO STOP AND AUTO RESTART - This car repeller only works when the car is stopped with no vibration, it'll automatically go into standby mode when the car is started, restarts work when the car is parked BATTERY LOW VOLTAGE PROTECTION - It uses your car battery to operate, compatible for 12V & 24V batteries. When the battery voltage is below 10.5 volts, it'll automatically stop working to protect the car battery