Features: Function: Strong ultrasonic wave and flashing LED are to scare animals and effectively to repel such as birds, cats, mice, foxes, skunks, rodents, boars, martens, and more. Multi Modes: Different frequency and sensitivity modes you can choose. Choose “Sensitivity” to adjust the detection range, choose “Frequency” to adjust different frequencies for different animals. Solar and USB Powered: Animal repeller with a large solar panel, which can be continuously charged by sufficient sunshine, or use a USB charging cable when the solar charge is not enough to provide excessive power. Outdoor Waterproof Design: Strong and waterproof ABS plastic, just insert the ultrasonic animal repeller into the ground floor, great for all-weather work, windproof, rainproof. Environmental protection and safety: The ultrasonic animal repeller solar energy through animal emitting ultrasonic repellent. Without any chemical effect, then there will be no harm to human being and environment.