5.Solar Powered: A solar powered panel on top of the spike charges the battery, fully charged can support work up to 7 days without exposure, no batteries are required.
3.Solar powered with rechargeable Ni-Cd Battery，Not effect people, animals or pets，Emits out 2 seconds sonic wave every 30 seconds.
4.Solar rodent repeller chases away moles, shrews, voles, and many other burrowing rodents by generating a sonic pulse that penetrates the soil. It prodcues a sonic pulse of approximately 400Hz every 30 seconds and provides up to 7,500 square feet of coverage.
