Pest control: Get a solar powered ultrasonic flash pest repeller. Upgrade: Or upgrade to receive two! Function levels: With five different LED function levels. How it works: Uses a flash of light and ultrasonic sounds to deter animals. A safe and effective way of deterring animals including insects, rats, squirrels, cats and dogs. Detection strength: Can detect pests up to an angle of 110° and 9m away (area of approximately 70 square meters). Ultrasonic Flash Pest Repeller | Living Social