Outdoor Use - It has USB and solar charging options, allowing it to be used outdoors for long periods of time. Safe and Environmentally Friendly - Our products do not no harm to humans, no traps, no dead animals, just scare the animals away. Multiple Adjustable Frequencies - Follow the instructions to select the appropriate mode (note: for reference only, please find the mode that suits you best in actual use). Coverage - Our product's motion sensor covers an arc of 120 degrees left and right and a distance of 8-9 meters, it starts to work as soon as the animal is in front of the device. Hanging or Plugging into the Ground - You can hang it on the wall or plug it into the ground, but it care must be taken that the sensor ring is not exposed to the ground.