1.Dog, Cat and Wildlife DeterrentPowerful ultrasonic combined with PIR motion sensor, humanely repel unwanted wild animals, dogs, cats, foxes, rodents, squirrels and some insects. 2.PIR Infrared SensorOur cat ultrasonic device is equipped with a PIR sensor, an infrared sensor that emits signals continuously. When it detects a moving animal is within detection range, it automatically emits sonic frequencies to guide the animal. 3.Solar Charge & IP44 WaterproofThe solar panel is placed above the mouse repeller, which can be charged by solar energy under the sun, efficiently charged, and maintain a long standby time all day. Its waterproof rating reaches IPX44 and can work effectively all year round in almost all weather conditions. 4.Environmentally friendly and multifunctionalThe strong outdoor cat repellent contains no chemicals or pesticides and is safe for humans and pets. Great for hunting cats, dogs, rodents and other unwanted animals. Ultrasonic animal repellent is perfect for gardens, yards, lawns, farms, kindergartens and more. 5.Easy InstallationThe ultrasonic animal repeller comes with a pole that can be directly connected to the ground. It can be installed in your home, garden, yard or anywhere else. It can help you protect your property and garden from naughty stray dogs, stray cats and other small animals.