RODENT REPELLER FOR CAR ENGINES: Completely safe and cost-effective, the Traveler helps avoid chewed wires and messes caused by rodents in your car, truck, boat, and RV. To ensure you are satisfied, receive a risk-free 60-day money-back guarantee. HUMANE ULTRASONIC NOISE: This pest repellent emits disorienting and fluctuating ultrasonic sound waves from under the hood of your car. The device will sweep through multiple frequencies that are audible and inaudible to humans. SCARES AWAY INVADING PESTS: Bright LED strobe lights mimic the glowing eyes of predators for this ultrasonic pest repeller to scare away disruptive pests from your vehicle. Perfect for mice, rats, squirrels, chipmunks, cats, and other small animals. CONVENIENT AUTO ON & OFF: Never worry about switching the Traveler on or off, this animal repeller will conveniently turn on only while your car is stationary, and the engine is off. When the engine is on, the repeller goes into standby mode. INSTALL IN MINUTES: Mount the pest control device in an open area near the top of your engine bay. Spread out the LED lights and secure them around the engine with cable zip ties. Connect the repeller to your battery: first black wire, then red wire. Ultrasonic sound waves combined with bright flashing LED lights will keep pests from making your vehicle their home. Avoid chewed wires and messes caused by rodents in your car, truck, boat, and RV year-round – all while being completely safe and cost-effective. Safely repel mice, rats, squirrels, chipmunks, and other small animals such as cats. This pest control device emits disorienting audible and inaudible ultrasonic sound waves that make engine bays, storage compartments, and other small spaces completely uninhabitable for pests. Flashing LED strands mimic the glowing eyes of predators, scaring away invading pests from your vehicle. If your engine is off, the Traveler will start and run automatically. If the engine is turned on, the repeller will sense the vibrations and go into standby mode. It is safe and humane to repel pests without the use of costly and dangerous products. Backed by a risk-free, 60-day money-back guarantee.