Adjustable Sensitivity : The cat repellent has a button that can adjust the sensitivity for different animals. It is more effective to keep unwanted animals out of your garden when the repellent accurately identifies them. It covers a large working area up to 110° and 8 meters. Ultrasonic with Motion Detector : Once animals enter the protection zone, the infrared (PIR) sensor immediately detects movement and the device emits powerful ultrasonic waves. Animals are scared away by the cat repellent and never come to disturb your life again. Easy to Install : This fox repellent can be inserted into the ground with the provided spikes, or hung on objects such as walls, fences. Once the battery is installed, it starts to work. It is a perfect tool for use in the yard, farms, lawns, mansions, hotels, floors, terraces, garages, gardens, etc. 【Safe and Humane Design】 Compared with traditional animal methods, the animal repellent relies solely on physical means to drive animals away without any