Human and Environmental Friendly: The Animal Expellent will scare away animal intruders with ultrasonic sound and flashing light without harming them. No traps, no dead animals and advocating environmental friendliness. Solar Powered: Solar panels can effectively charge the product to maintain a long standby time all day long. Outdoors, don't worry the product will need a power outlet. Multi-Frequency Mode and Sensitivity: You can set the modes according to your needs, different sensitivity can work effectively on different animals, and you can set the frequency to determine the range area. Portable and Easy Use: You can simply push the ultrasonic animal repellent into the ground or hang it on the wall. Perfect for yard, patio, driveways, garage, attic, porch, boat, garden, farm, pond, etc. Simple but useful: Install in seconds and set the right mode.