After fast delivery, we have plugged the device immediately on our terrace. Neighbor's cat, it has no longer comfortable on our patio furniture gemacht.Wir not hear the sound. But my daughter has once complained that she hears the sounds. The device is switched on day and night. Well after 3 weeks is neighbor Cat back. She lies down next to the unit 1 m on the garden chair and leaves 2m from their Legacies in Sand.Die effect was short-lived.
