EMERSON CORDLESS ULTRASONIC MOTION SENSOR YARD AND GARDEN ANIMAL REPELLER Protects your yard and garden from destructive intruders Ultrasonic sound, sonic, motion sensor and super-bright LED Clean, odorless and chemical free Covers up to 5000 square feet Repels rodents, deer, raccoons, rabbits, squirrels, bats, stray dogs, skunks, coyotes and more