Get rid of pesky pests in your garden with the Ultrasonic Pest Repellent. The ultrasonic sound waves and vibration technology, is effective in turning away snakes, gophers, moles, and mouse. It works on any lawn or garden. With solar panel, it can be charged by solar energy. Really convenient and environmentally friendly. No need to use poison or chemical. It is harmless to the environment, humans and pets. Suitable for outdoor pest control in open patio, lawn and garden.