Easy to Use: When you turn on the power of the cat repellent, it will emit ultrasound, which can only be heard by pets such as dogs and foxes. At the same time, the LED lights will light up, and the deterrent power of the product is working, driving small animals such as cats and dogs out of your garden.Easy to Install and Energy-Saving: This cat repellent can be mounted in-ground with the provided spike or hung on the wall through the back slot (With direct sunshine recommended). Cat repellent is powered by solar energy, with high efficiency and low power consumption.Waterproof: This cat repellent can work effectively in various complex environments such as rainy and cloudy days and can cope with most weather conditions and maintain normal working conditions. (IPX4 Waterproof)Upgraded Design: The Infrared sensor angle includes 110 degrees(from left to right, not top to bottom). Besides, the detection range includes 6-8m, depending on the animal's size (the bigger size, the larger range). And the PIR sensor detects the invading animals and activates the unit to work by emitting ultrasound.Human Design: This cat repellent only drives unwanted animals away from the garden without any chemicals. No chemical components outdoors hurt human health, the Passive Infrared sensor (PIR) detects motion and triggers and then the ultrasonic speaker makes a noise to scare away common animals. It will not have any harm to the human body. And will not hurt your own cats, dogs or other pets.