Are you suffering from moles, voles, or gophers in your yard? This solar-powered ultrasonic repellent emits a 400 Hz pulse every 20 seconds to humanely drive away burrowing pests. It features a waterproof design with a long-lasting solar rechargeable battery, requires no replacement, and covers up to 7000 sq ft per stake. Easy to install—just create a pilot hole and turn it on. It effectively protects your lawn and garden from moles, gophers, voles, groundhogs, and snakes without harming humans. For best results, place stakes every 70 feet and keep the solar panel clean. | 8 Pack Solar Ultrasonic Mole Repellent Stakes, Waterproof Sonic Spikes For Lawn Garden | | for Gophers, Voles, Chipmunks | Green | Best Buy