The YARDDOG Sonic Spikes send sound waves throughout the surrounding ground at 400-1000Hz every 30 seconds. The waves travel up to 7000 ft/2 and are intolerable for pest including， but not limited to， Gophers and Moles. The Sonic Spikes contain solar panels that recharge an internal battery and ensure prolonged use and repellant of pest. The Sonic Spikes work best in clay soil types where sound can be conducted more effectively than sandy or peat soil.
Area of coverage: 1/4 acre per spike
Solar powered no batteries required
Rodent and pest repelling every 30-seconds
Water resistant
Safe for children and pets
Contains TWO Spikes
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