✔ 【Dog, Cat and Wildlife Deterrent】 Powerful ultrasonic combined with PIR motion sensor, humanely repels unwanted wildlife, dogs, cats, foxes, rodents, squirrels and some insects. ✔ 【PIR Infrared Sensor】 Our ultrasonic cat repeller is equipped with a PIR sensor. An infrared sensor that emits signals continuously. When it detects a moving animal is within the detection range, it will automatically emit a frequency of sound waves to drive the animal away. ✔ 【Solar Charging & IP44 Waterproof】 A solar panel is placed on the wall. Above the mouse repeller which can be charged by solar energy in the sun, charged efficiently. Its waterproof has reached IPX44, it can work effectively all year round in almost all weather conditions. ✔ 【Eco-friendly and Versatile】 Powerful outdoor cat repellers do not contain any chemicals or pesticides and are safe for humans and pets. Ideal for scaring away cats, dogs, rodents and all other unwanted animals. Water-repellent ultrasonic animal repeller ideal