FUAJN Solar Mole Repellent4 PackOutdoor Plug in Solar Mole Sonic RepellerGroundhog Repellent Snake Rodent Gopher Spikes Chaser Pest Control for Lawn and Garden of Outdoor

They are a preventive method that also doesn’t harm the environment.Simple&effective solution. Easy to use: *First, punch a hole in the ground. *Next, press the "On/Off" button. *Then, insert the spike into the soil so that the lid is flush with the ground. *Finally, the compacted soil can be used normally. Technical Parameters: - Material: PC+ABS - Sonic frequency: 400-1000Hz - Effective Coverage: 3500 square feet Packing list: Ultrasonic Spike *4 User manual *1 NOTE? 1.Before turn on the switch, please charge it in the sun for 2 days. Then press the switch. 2.Insert the mole spike into the ground, make sure the top is above to the surface roughly 1 or 2 inches. Place soil around the unit, securing. 3.The denser the soil, the better the effect. Loose soil isn’t conducive to the transmission of sound waves. 4.The farther the distance, the smaller the effect. It is strongly recommended to install one device per 50 feet.