MaximalPower Sonic Solar Outdoor Yard Waterproof Pest Repeller for Dog Fox Cat Rodent Mice with Strobe Light Powered by 3 x AA Batteries that are charged by solar energy. (Batteries are included too!) Easy and safe to use on all animals. No Poison, no Chemicals. Light and sound base repellant only! An ideal pest control device to help keep dogs, cats, foxes, birds, mice and other animals out of your designated area. The adjustable ultrasonic sound is very unpleasant to animals, causing them to flee or avoid a given area. The bright strobe light adds to the unpleasant experience, helping ensure the uninvited animal visitors will be reluctant to return. Five frequency settings with adjustable sensitivity. Can be mounted in the ground with the provided aluminum stake, or can be hung on a wall using the slot on the back.