Six Bird-X Peller Pro 1 Sonic Bird Repellers to Get Rid of Birds with Sounds Bird-X Peller PRO 1 is a programmable species-specific bird repellent device to get rid of pigeons, starlings, sparrows and gulls. This bird control device uses sonic repelling technology. Broadcasting the birds' own distress calls creates a danger zone . This bird control device uses fear to get rid of pigeons and other birds for good. Proven in extensive field tests, BirdXPeller PRO significantly reduced or completely eliminated bird infestations. BirdXPeller PRO broadcasts bird distress cries from a microchip supplied by a major American university . Birds hear the cries, perceive danger and become agitated and disoriented. Thinking their flock mates are in trouble, the birds flee the area . . . never to return. Reprogram the BirdXPeller PRO periodically or when different birds pester you. Programming bird repellent options include Target selected birds PRO 1 targets pigeons, starlings, sparrows and gulls. Volume of sounds Time off periods Choose delays from 60 seconds to 30 minutes. Time of operation Choose day, night or 24 hours. Keep bright lights from shining on the photocell for proper operation. Random operation randomly plays recordings in non-sequential order. Best results from this mode. Environmentally Safe. Harmless to Birds BirdXPeller PRO uses loud, terrorizing sounds for effective pest bird control. Easy Operation 110vAC power adapter included . Optional solar power panel keeps 12VDC deep cycle marine battery not included charged. Battery powers the PRO. Heavy-duty BirdXPeller PRO is made of sturdy plastic. Built-in front directional speaker. Rear controls. Included a plastic rain cover with mounting tab, a plastic cover for the programmable switches, an AC power adaptor with cord, and complete instructions . Synergy Sound devices are even more effective used with a visual scare device or a physical barrier. Call us for details on supplemental bir This item ships from a separate warehouse and may require extra time for delivery.