Solar mole and snake repeller is designed to safely and effectively repel underground rodents and snakes by using sonic vibrations. They are a preventive method that also doesn’t harm the environment.<br> <b>Packing list:<br> <b>Ultrasonic Spike *4<br> <b>User manual *1<br> <b>Effective Coverage: 3500 square feet<br> <b>Installation:</b><br> <b>1) Pick a location free from shade and cover, then dig a hole in the ground to place the device<br> <b>2) Insert the stake(bar) into the ground, make sure the top is above to the surface roughly 1 or 2 inches. Place soil around the until, securing it in the erath<br> <b> 3) Press the switch "ON/OFF" . It vibrates and emits sounds every 20 seconds after it is installedImportant:</b><br> <b>Do not dig into the ground until you have checked for underground cables or wires. Failure to do so is very dangerous and could result in personal injury<br> <b> Note:</b><br> <b>1. Check the ground before installing the device, frozen or waterlogged ground is not recommendedbr<br> <b>2. Do not use a hammer or excessive force when installing<br> <b>3. Choose a location that gets plenty sunlight, this will ensure full charging of the batteries and better results<br> <b>4. This product in rain-proof but must not be soaked in rain<br> <b>5. In case of rain soaking or flooding, take away the repellent until the rain recedes<br> <b> 6. It must be used continuously for 7-14 days before ground rodents start to move away from the area