Deters pest animals with ultrasonic (silent - to - humans) sound waves Built - in infrared motion detector activates when pests move into its coverage zone Continuous or motion - sensor operation modes Mount anywhere with keyhole slot Dual operation (AC or Batteries) AC adapter included Can be used in yards, lawns, gardens, porches, buildings, greenhouses, more Weatherproof 30' Extension cord OR may be operated with 4 "C" batteries in motion sensor mode Made in the USA