How about solar mole repeller?
The Solar Powered Mole and Gopher repellent works in the garden. And it also works on voles, shrews, and other destructive rodents.
The noise of solar mole repeller is silent to human ears, but it will prevent burrowing pests from tunneling your yard to death. The Solar Mole & Gopher Chaser produces a sonic pulse. You can use overlapping stakes to cover a larger area.
This solar gopher repellent repels unwanted burrowing rodents with the strongest and least expensive power available just because it's powered by the solar.This ingenious device is environmentally friendly and eliminates the use of poisons and traps around your children and pets.Pets won't be affected by solar mole repeller, but rodents find the noise irritating and eventually move to quieter surroundings
Product Description:
The Solar Mouse Repeller emits a vibrating sound underground every 30 seconds that annoys the heck out of moles, gophers, voles , forcing them to evacuate your yard. An internal Ni-MH battery recharges by sunlight and powers the Solar Mouse Repeller throughout the night. Effective for up to 650 square meter.
Effective Range: 650 M2 ; Frequency: 400 Hz
Rechargeable batteries included: 1.2 V 600MA H Ni-MH
SOLAR PANEL : 2V/45MA ; Operation current : 6MA
Weight : 0.3KG
Case raw material : ABS , Aluminum cannulation ( 30CM)
Product size:15*15*42 CM :;Packing size :36.5*16.5*9CM /PCS
Carton size : 54*37.5*35 CM /12PCS The total weight 6KG .
Carton size : 54*37.5*35 CM /24PCS The total weight 12KG .
