Ultrasonic Insect Repellent: With the intelligent infrared motion sensor, this new version is suitable for many kinds of animals: fox, cat, dog, bear, squirrel, rabbit, deer, skunk, bat, raccoon, etc. Two Repellent Methods: Ultrasonic and LED Light Depending on the selected frequency, the cat repellent can release ultrasonic waves or LED flashing lights that animals hate to repel animals such as cats, dogs, squirrels, deer, bears, birds and others. Solar, USB or Battery Charging: 1. When the solar energy is sufficient, you can charge the cat repellent through the solar panel on the top of the device. 2. Equipped with a USB interface and a USB charging cable, you can charge the cat repellent via USB. Adjustable sensitivity and frequency: You can adjust the sensitivity and frequency, etc. according to your needs. Environmentally friendly: The cat repellent uses ultrasonic waves and flashing LEDs to repel animals without harming animals or causing environmental damage. You can place it anywhere you want, such as: garden, orchard, farm, etc.