PLUSARGENT Ultrasonic Animal Repeller, Solar Powered Pest Repeller, Waterproof Outdoor Repellent with Motion Activated PIR Sensor, Repel Dogs, Cats, Squirrels, Foxes, Birds, Skunks, RodUltrasonic Sound Emitting powerful ultrasonic sounds to scare away unwanted animals. And the unit emits sound waves at a frequency which is only audible to Animals. Keep cats, dogs,etc. Motion Sensor PIR sensor will starts to work once animals enter the protection range, then it will emit ultrasonic waves and the red light will be turned on so that it repels the animal. Solar Powered Solar panels can effectively charge the product to maintain a long