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 Working principle: built-in buzzer (sound wave), motor vibration and land resonance, thus playing a role in driving!!! SOLAR POWERED: The new repeller is powered by a 2.3" x 2.3" big size solar cell. When fully charged, the batteries have enough power to operate the mole repellent in the darkness.Energy saving and high efficiency REPEL: Send out a burst of sonic waves,that can drive away moles, voles, mice and rats within about 6,500 sq.ft, build a safer place for you and your family. 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 repeller 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. Specifications: Color: Black Materials: Highest quality ABS plastic Solar panel5.5V / 80mA (8 hours charge 600mA) Battery: 1200mAh 18650 Frequency: 400-1000 MHz Power consumption0.01W (working time), consume 100mA for 24 hours Vibration frequency400-1000Hz Vibration durationvibration for 4 seconds, interval 30 seconds Waterproof IPIP65 Use rangeradius 8 meters Pest TypeRepells voles, moles and burrowing rodents Package Included: 1/2/4 * Solar Rodent Repellent