The Transonic Mole is a safe, solar-powered, outdoor pest control solution! This best selling electronic repeller couldn't be simpler just insert the device into the ground to repel rodents, bats, spiders and more. Combines both sonic (audible) and ultrasonic (silent to most humans) sound waves to drive pests away with sounds they can't stand. With a range of up to 50 ft, the Transonic Mole electronically repels moles, voles, gophers and more by combining ultrasound, vibration and a flashing light. Bursts of sound and vibration are emitted every 20 s, which humanely and safely get rid of burrowing animals without traps or poison. And it is completely solar-powered, weatherproof and operates continuously so you can set it up and forget it, while still solving pest problems! Plus, it comes with a 30 Day satisfaction guarantee to assure your unwanted guests are gone for good.