Stop pesky moles from digging up your beautiful lawn with this dual action mole repeller completely humane and using no harmful poisons it combines a strong low frequency sonic pulse with powerful vibrations that replicate predators to scare moles away highly effective it delivers a sonic pulse every 1 3 minutes and a random series of vibrations moles cant get used to to surprise them over and over againthe mole repeller is fitted with a fluorescent orange cap to prevent accidental mowin