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Ultrasonic Under Hood Mouse and Rodent Deterrent for Your Vehicle

EASY TO INSTALL: 12V Powered - MouseBlocker's Simple 2 wire installation under the hood directly to your vehicle's battery. No need to check flashlight batteries to see if they are dead or corroded. Trust your vehicle's battery to constantly provide power to the unit, never leaving you vulnerable to rodents.
MULTI-PURPOSE: Protects Cars, Trucks, Motorcycles and Snowmobiles, RV's, Boats and Jetskis, Tractors and farm equipment, ATV's and Dirtbikes, or anywhere there is 12V power available. Safe at under high under-hood temperatures, stable at well below zero Canadian winters and unaffected by moisture and dampness, and only the size of about a deck of playing cards!
POWERFUL: Hitting at 85 Decibels in a specific ultrasonic frequency that was chosen because it sounds like a Jack Hammer to rodents. When the unit is placed in the engine area it effectively makes it too uncomfortable for the rodents to nest - therefor deterring them from chewing on costly wiring harnesses, fuel lines, hoses, and computers.
ENERGY SAVING: Super efficient! Uses only .1 Watts of Power so it runs for a very long time on your battery without draining it. Feel confident that your expensive investments and toys are protected.
PROFESSIONAL GRADE: The MouseBlocker is trusted by hundreds of New Car Dealers, Independent Repair Shops and Auto Parts Retailers throughout North America. Our units work work great for protecting your new vehicle from mouse damage that is not covered by your new car warranty.

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First Listed on Newegg	July 24, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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