Check the listing for details. 4-Solar Powered Ultrasonic Sonic Mouse Mole Pest Rodent Repeller Repellent Yard. Color: Black, Condition: New. Listed at 24.99 USD. 4-Pack Solar Powered Repellent Sonic Mole Gopher Vole Rodent Pest Repellent Repellent Product Information Features: Solar Power Mole Mouse Mice Gopher Rodent Pest Repellent Chaser Brand New and high quality Completely powered by Solar Energy Easy and safe to use. No Poison, No Chemical. Idea pest control device to keep rodents away from your garden or lawns by utilizing both sonic wave sound and vibration technology Transmits ultrasonics every 40 seconds. REPEL: Send out a burst of sonic waves in every 40 seconds,that can drive away moles, voles, mice and rats within about 7,000 sq.ft, build a safer place for you and your family. SOLAR POWERED: The new repellent is powered by a 70mm x 90mm big size solar cell. When fully charged, the batteries have enough power to operate the mole repellent through the hours of darkness and maintain continuous 24-hour protection, much economical compare to battery powered mole repellent.It can be plated into the ground deeper and more firmly. Insert the spike firmly into the ground and enjoy the pest free environment. CHEMICAL-FREE: The repellent is safe for use around pets and children. No need chemicals, poison sprays or traps. WEATHERPROOF: Suitable for all weather conditions. But Choose the best sun location, so the solar panel to can receive the light as directly as possible. Packing Content: 4 x Solar Rodent Repellent