Features: 100% brand new and high quality. Easy and safe to use. No poison, no chemical. Solar powered with rechargeable Ni-Cd Battery. Not effect people, animals or pets. Emits out 2 seconds sonic wave every 30 seconds.
How to Install: Press the ON/OFF button to turn on. Insert the unit into the ground at least 8" deep. You can fully inset the unit so that the base of the housing is against the ground. DO not hammer the unit/ You may need to dig a hole first in hard-pack earth.