Working Principle This outdoor cat repellent uses ultrasound with flashing intensity to repel birds, mice, cats, wild boars and other animals, because strong ultrasonic signals can make an animal uncomfortable, but this kind of ultrasound is almost inaudible to humans, so you can achieve the purpose of driving animals away and letting them leave your manor and garden. Suppresses the alarm function This cat repellent suppresses the alarm function, reducing the impact of noise on humans and does not disturb neighbors, no messy chemicals or pesticides, no traps, no dead animals. In addition, since the frequency range of the emitted ultrasonic waves is different, the emitted ultrasonic waves have no effect on pregnant women and children, which is human-friendly and environmentally friendly. Solar Charging + USB Charging Our garden cat repellent has a solar panel, which can be easily charged, can be continuously charged by sunlight enough to meet daily consumption. If it is raining outside, you can use USB charging. indoor cat repellent is especially suitable for use in places where it is not convenient to provide power, such as farms, gardens, lawns, kindergartens. 5-Speed Adjustable Frequency There are 5 different frequency choices. You can choose it according to your needs. Level 1: Mouse, dog, rabbit, fox, mink, etc. Level 2: Cats, raccoons, badgers, skunks, etc. Level 3: Bats, birds, mice, etc. Level 4: Strong flashing LED, sound and light alarm: Snake, raccoon, wild boar, mink, etc. Flashing LED. Waterproof The ultrasonic cat repellent with waterproof design allows it to work in rainy days. Note: Do not immerse in water. You can simply push the ultrasonic cat repellent into the ground. Ideal companion for yard, patio, driveways, garages, attics, porches, boats, gardens, farms, ponds, etc. Number of pieces delivered: 1 Color: Green Size: 37*15*7 cm 1. Infrared induction angle: 110 degrees Induction distance: 8-9 meters, depending on the size of the animal. (The larger the animal, the longer the detection distance)