【Dogs, Cats and Wild Animals Deterrent】This Ultrasonic Cat Repeller features state-of-the-art ultrasonic technology that generates a 20kHz-45.5kHz ultrasonic wave along with an alarm sound simultaneously. The built-in PIR sensor is highly sensitive and triggers at a 110° angle and a distance of 0-9m to ensure maximum performance. 【Environmentally friendly charging】Solar Cat Repeller is equipped with a solar panel on top that efficiently captures solar energy, which effectively charges the product and keeps it in standby mode all day. This is environmentally friendly and convenient. Outdoors, you don't have to worry about the product needing a power outlet, suitable for harsh weather conditions. 【Waterproof】Cat Repellent Garden Ultrasonic with its waterproof IP44 design allows operation in rain. It can be used outdoors all year round, you can leave it standing in all weather and don't have to worry about it not working in the rain. (Note: do not immerse in water) 【Human Design】Ultrasound is safe and harmless to the human body. At the same time, it is free from chemicals and hazardous substances. It will only drive away the animals instead of harming them. Humanized design does not harm your cat, dog or other pets. 【Easy installation】Our pest repeller is easy to install. Whether it's on the wall or fence, or simply placed in the ground, this ultrasonic repeller keeps small rodents, squirrels, cats, dogs and more at bay. Solar cat repeller is placed in a sunny area and then simply turned on. Portable and compact design for installation in your home, garden, yard or anywhere else.