Get Rid of Woodpeckers in Large Open Areas Up to 30 Acres Bird control is easier with this sonic bird repeller that uses intermittent distress calls and predator cries. Frighten away woodpeckers, sapsuckers, sparrows, hawks, falcons and many other birds from up to 30 acres of land. The Woodpecker Mega Blaster PRO sonic bird repellent unit by Bird-X also known as the BirdGard sonic repeller uses intermittent distress calls to create a danger zone that frightens infesting birds away for good. PREDATOR cries help scare all the birds. Perfect for airfields, landfills, farm fields or any multi-acre facility, this extremely powerful system features two high-output amplifiers that drive our specially-designed 20 speaker tower. The intense sound output covers up to 30 acres 12 hectares . It features solid-state electronics mounted inside a NEMA-type control box, suitable for most any application. The generating unit mounts easily to a post or pole using the included mounting hardware and bracket. The unit comes pre-recorded in four different configurations for the most common bird infestations. Chose any or all of the 8 sounds, including predators to give the birds even more of a sense of danger. Then customize the bird guard by choosing volume, silent time between sounds and hours of operation. 4 Standard Configurations. Contact us to customize configurations to target other combinations of birds Agricultural MEGA-AG Marine MEGA-MAR Crow/Raven MEGA-CROW Woodpecker MEGA-WP Woodpecker MEGA-WP repels or includes Northern Flicker Downy Woodpecker Yellow-Bellied Sapsucker House Sparrow American Kestrel Sharp-Shinned Hawk Bald Eagle Peregrine Falcon Specifications Repel Birds Up to 30 Acres Crystal-Clear Digital Sounds NEMA Rated Case Frequency Range 2,000 10,000 Hz Up to 125 decibels . Power Input 12VDC 3 AMPS via Solar Panel and Battery. 20 Speaker Tower Dimensions; Weight 15 x 10.625 x 10.625 9 lbs. 8 oz. Solar Panel Dimensions; This item ships from a separate warehouse and may require extra time for delivery.