【Ultrasonic Mouse Repellent for Car Engines】This ultrasonic mouse repeller adopts frequency conversion output technology, which emits a combination of fluctuating ultrasonic waves and strobe lights to keep rodents like rat, mice, marten, squirrel, chipmunk out of car, RV, Trucks【Auto ON/OFF】This rodent repellent for cars has power-on self-test and vibration detection functions. Auto standby while driving to save battery power. The rodent repeller will automatically turn on and enter working mode after vehicle parked to keep mice, squirrels and rodents out of car, but does not bother pets.【Three Power Supply Methods】Method 1: install 4 AA batteries(Not Included). Method 2: use a DC to USB cable to connect to a DC 5-12V adapter (Not Included). Meth.
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