Bird repellerHow it works Ultrason X® utilizes ultrasonic sound waves to efficiently and effectively frighten, annoy, and repel birds and other wildlife within its 3,600 sq. ft. range. Ultrasonic means that it is "silent to humans", so you can effectively get rid of birds while maintaining a comfortable environment for your customers and employees. Special: Get 1 Package of visual bird scares for only $3 extra. To include Mobil-Eyes with your order, simply pick from the "Types" above. Works synergistically with this repellent device. Ultrason X Features *Installs Easily *Quiet, ultrasonic sound waves *Programmable *Constant, "always-on" modes *Weatherproof *30-Day Electronics Guarantee *Adjusts Easily *6-Month Manufacturer Warranty *Versatile 4-speaker system *Non-species-specific sounds What Will it Repel? *Pigeons *Crows *Sparrows *Starling *Seagulls *Grackles *Cormorants *Vultures *Rodents *Other Pests *Many More Where Can It Be Used? *Indoors/Outdoors *Semi-Enclosed Areas *Infrastructure & Transportation *Manufacturing Facilities *Warehouses & Docks *Airports, Rooftops *Farms, Barns, Stables *Restaurants & Storefronts *Car & Parking Garages *Any area with bird infestation Ultrason X Product Attributes *Dimensions(unit): 9"x9"x5" *Dimensions(speaker):4"x4"x6" *Speakers: 8 ohms, 30 watts *Weight: 15 lbs *Coverage: up to 3,600 sq ft *Power Requirements: 110v AC (220V AC avail.) *Sound Pressure: 95-102 dB (each speaker) @ 1 meter *Frequency: 15-25 KHz