P3 International P7901 Molechaser with Penetrating Sonic Pulses

The Molechaser Weatherproof and proven effective at getting rid of moles, voles, gophers, shrews, and other burrowing rodents Sends 300Hz sonic pulses at 15 second intervals Can be buried flush to your lawn, keeping it from obstructing your landscaping activities Change batteries with convenient cylinder while the unit remains in the ground Batteries: 4 D alkaline Battery Life: 4-6 months Coverage: 9,000 square feet (1/5 of an acre) US Patent Number: 6157594