Principle - Equipped with a PIR sensor to detect movement, this ultrasonic fox cat repellent sends ultrasonic waves with flashing LED light to effectively drive away intruders such as dogs, cats, martens, raccoons,badgers, foxes. Solar Charging - A solar panel is placed above the scary cat repellent which can be easily charged, it can be continuously charged by sufficient sunlight to meet daily consumption.Solar charging is such an economical and eco-friendly way that can also save you a lot of money. Waterproof Design - This animal repellent has a weatherproof design, which allows the cat dog and rat deterrent to withstand harsh weather conditions outdoors.However, if it rains too hard, it is recommended to put it indoors. Wide range - The PIR infrared motion sensor has an angle of up to 110 degrees and a detection range of up to 8m, which activates the animal repellent to emit high-frequency sounds, which are irritating to animals,but humans can barely hear it, keeping the pests and animals disappear in a humane way. Portable and Easy to Use - You can simply push the animal repellent into the ground.Ideal companion for yard, patio, driveways, garage, attics, porches, boats, gardens, farms, ponds, etc.try our best to resolve your problem. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.