Rid your garden of foxes and other mammals with this garden repeller, complete with the new HyperResonance Frequency system and Behaviour Specific Timing. Designed to induce maximum discomfort, this system provides short varying bursts of ultrasound that shocks the animal, as opposed to other repellers that use a more gradual system. Behaviour Specific Timing ensures that foxes cannot get used to the sound as there is no pattern, meaning that foxes will not grow accustomed to the repeller. Animals are detected using the integrated PIR motion sensor, which ensures it is not activated by rustling foliage alone. Complete with a placement stake, this repeller can be positioned to right where you need it most, at the perfect height to detect foxes on the ground.This unit has been designed using our considerable experience to be as effective as possible in repelling foxes without the need of complicated dials. The unit covers such a wide variety of frequencies that adjustment dials are simply no longer needed, enabling us to provide you with the best, most user-friendly unit to date.The fox repeller incorporates a sophisticated PIR motion sensor which turns the device on when a warm body enters the controlled area. This has an important purpose other than saving battery life: researchers have found that foxes can become desensitised to the noise if they realise that random sounds are not associated directly with their presence in the controlled area.