Fast results: Since this mole repellent technology is ery efficient, you can distribute the two mole and ole repellent in the case of already existing infestation of pests, so that moles and oles hae an escape option from your garden. For pure preention, the set can then be placed in the middle at a distance of approx. 12 metresLarge effectie radius: the operating radius is approx. 920 m2 for the pack of 2. Please consider foundations, flower bed borders and other barriers when planning. The deices send out ultrasonic waes. Please insert the mole repellent up to approx. 2 cm in front of the edge completely into the soil. So you can achiee the best and quickest effectThanks to solar power without follow-up costs: the Grundig solar mole deterrent is charged ia ery efficient solar panel and is fed into a high-quality 1.2 Ni-MH battery. So you can bridge on rainy days and no longer hae to worry about changing batteries and battery costs.Waterproof and corrosion-resistant: the sturdy ABS design is particularly waterproof according to IP56 and extremely corrosion resistant in contrast to metal sleee solutions. So you can enjoy your effectie mole repellent for a long timeBox contents: Grundig mole repellent pack of 2 solar set with multilingual instruction manual (English language not guaranteed). Ready to use and comes in a coloured box, making it suitable for giing as a gift