Cordless Ultrasonic Pest Repeller for Various Animals Outdoor UseUltrasonic Technology and Safety This repeller utilizes a high frequency swept frequency ultrasonic circuit designed to ward off animals such as mice, birds, dogs, and bats. The device emits an ultrasonic wave that is non toxic and tasteless, ensuring that humans cannot be harmed by the frequency. The frequency is adjustable, allowing users to select which pests to target. Motion Detection and Operation Equipped with a motion sensor, the unit detects