Weitech 0500 Mouse-X 700 Sq.Ft. Plug In Pest Repeller In addition to mice, repels spiders, fleas, ticks, cockroaches, crickets, and many other insects Safe for use around infants, small children, and pets Single speaker design covers 700 square feet Generates powerful ultrasonic signals that repel pests 4-3/4 inches in length and weighs only 3 ounces