Aoocan Mole Repellent for Lawns, Gopher Repellent Ultrasonic Solar Powered

Working Principle: The chipmunk repellent sends out sonic pulses and vibrations every 25 seconds, which highly irritating to yards mole,gopher,vole and those underground burrowing rodents to keep them away the coverage area without risk of contamination for men and the environment. The gopher repellent must be used continuously for a lot of days before successfully driving rodents out of the area. The animal habits are different, Eviction time varies. Easy to install:Just insert gopher gassers to ground soil and keep the top part at least 2inches high from the ground to avoid water flowing into the interior.The gopher repeller has the characteristics of rainproof and waterproof, and can work continuously even on rainy days. But it can't be soaked in water for a long time. Effective Mole repeller: This groundhog repellentoperates in a circular pattern, approximately 70 ft. in diameter. It's recommended to use multiple devices to overlap providing even more coverage.Equipped with the solar panels and rechargeable batteries, capable to absorb sunshine and come with longer working time, no need to replace battery. Solar cell can be fully charged in 4 hours and last for 5 days. In general, it need about 2-4 weeks to drive the Mole & Gopher away from your garden, Then your garden will be free of these nuisance critters after some weeks.