<b>Safely send moles and gophers scurrying from your yard <b>unharmed </b>with Thanos Solar Powered Sonic Spike. When placed in the ground, sonic pulses penetrate the soil, emitting a sound that is highly irritating to moles and gophers.<br><br></b> Model: AR08<br> Frequency: 400Hz<br> Power supply: Solar-Powered<br> Waterproof: IPX4<br> Working time: Send 2-4s sonic sound for every about 30s <br> <b>Easy-to-Activate</b><br> To use, make a pilot hole in the ground with a wooden or steel rod. Next, insert the Spike into the soil so that the cap is flush with the ground to avoid tripping hazards and the chance of hitting it<br> with a lawnmower, press the ON/OFF button, then it work for every day.<br><br> <b>Note: </b><br> Effectiveness of the product depends largely upon soil type. Moist clay is the best conductor of sound; dry, sandy or peat soil does not conduct the sonic waves as easily.