Martens like motorsMany people know the problem: Martens are fond of cables, hoses and lines, and WAS can lead to nasty surprises. But luckily, ultrasound, high voltage and flash are no pleasure for the four-legged rowdies. This is exactly what the rodent repellent device is used for.Three-way defenseThe repellent is equipped with a high frequency sound emitter and high voltage contact plates to repel martens.The marten repeller switches off again for the same time and the turn begins again from the beginning. If the marten does not escape yet, it is taken from the high-voltage disc which gives off light electrical shocks. Harmless for humans and animals, but nevertheless unpleasant enough to displace the troublemaker on four paws.Safe operationThe unit will shut down automatically as soon as the vehicle is started or the vehicle's battery voltage drops below eleven volts. In order to survive the operation under the hood, the device is dust-proof according to IP65 and protected against