Protect your house, garage, barn and attic from martens.Simply plug the device plug in the socket and this rodent repellent is ready for use. The different high frequencies are used to illuminate the surroundings, WAS disturbs the sensitive hearing of the martens. The constant light flash of the LED is just as disturbing. After some time this becomes very unpleasant for the martens and they avoid this area.Martens are nocturnal animals and flexible in food intake. Houses, barns in towns and villages as well as warm spots such as garage or engine rooms are among the preferred places of martens where they cause considerable damage.If one has a marten at home on the roof floor, the night becomes day quickly, the rodents scratch and untangle all WAS is not fixed. Flower pots are emptied and overthrown and the chickens are also no longer safe.Especially in cities where house is built at home and where there is little shelter for martens, these often seek out engine rooms as a warm resting p