Effectively Repels Unwanted Animals & Pests Works For Unwanted Bats Birds Pigeons Pests Critters & More For Gardens Back Yards & Front Yards Motion Detection Triggers An Ultrasonic Sound & Light Flash Rugged Marine-grade Waterproof Construction (ip-44) Works Day Or Not With Built-in Ir Detection Sensor Includes 4 AA Rechargeable Batteries Solar-powered Option Wall Mount Or Outdoor In-ground Mounting Up To 30ft-wide Horizontal Coverage Area