Car wireless led repellent for martens and rodents Viano OSA2Car wireless marten rodent deterrent Wireless repellent equipped with two buzzers, automatic frequency change module and two powerful flashing LEDs. The combination of appropriately modulated ultrasound with flashes is extremely effective in dealing with the most resistant pests. Such a wireless solution is ideal when the battery is not located in the engine compartment (the product simply attaches with ties,clamps to the electrical harness), and also