Repel Sea Gulls, Hawks and Cormorants with MegaBlaster by Bird-X Bird control is easier. Keep nuisance gulls , hawks and cormorants from marinas, air fields and seaside resorts. Use the Marine Mega Blaster PRO sonic bird repeller by Bird-X to protect up to 30 acres from seagulls . Bird-X Marine MegaBlaster 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; Weight 15 x 30 x 2 13 lbs. Complete system includes generating unit with two built-in high-output amplifiers, 20-speaker tower with audio cables, 40 watt solar panel, battery clips and all mounting hardware. Battery not included. UL/CUL/CE Listed EPA Establishment Number 075130-OR-001. Takes 2 weeks to ship. Customizable. Made to order. Ships in 4 boxes 14 lbs; 4 lbs.; 11 lbs. 8 oz.; and 5 lbs. NOTE This unit is capable of sound output up to 125 decibels, HEARING PROTECTION IS RECOMMENDED. One Year Limited Manufacturer's Warranty. MegaBlaster BirdGard Sonic bird repellent uses intermittent distress calls to create a danger zone that frightens infesting birds away for good. PREDATOR cries help scare all the birds. Choose 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 This Marine MEGA-MAR unit repels Laughing Gull Ring-Billed Gull Herring Gull California Gull Black-Headed Gull Glacous-Winged Gull Double Crested Cormorant Marsh Hawk This item ships from a separate warehouse and may require extra time for delivery.