1.Plastic Tube Mole Repeller.
2.Continuous 24 hours operation per day.
3.No chemicals.
4.Chases moles and burrowing rodents.
5.Power supplied by 4*D cell(1.5v) batteries,up to 4-6 months working.
6.Weatherproof and UV-resistant.
7.Working range: 800 square meters.
8.Frequency: 400HZ.