Solar Powered & Waterproof: The ultrasonic animal repellent can be charged by solar energy in the sun. Can be used in all weather thanks to the supplied batteries (3 AA NiMh batteries included). Don't worry about working in rainy days. Smart infrared motion sensor: When a pet enters the area, an infrared sensor is triggered and the cat's ultrasound sends out a converted ultrasonic wave in frequency to effectively scare away intruders such as dogs, cats, martens, raccoons, badgers, foxes, etc. The right and left angle of the infrared sensor is 110 degrees, effective distance: 6-8 meters depending on the size of the animal. Efficient and environmentally friendly: The ultrasonic pest repellent is made of high-quality ABS plastic with a sturdy structure and waterproof design, making it ideal for gardens, yards, farms or any desired location. (Since the water resistance of the item is only IP44, it is recommended not to use the device during rainy days). Many possibilities Usage: Simply