Songbird Magnet Electronic Bird Caller Bring The Birds Directly To You Calls beautiful and melodious Eastern Bluebirds, Baltimore Orioles, House Wrens, House Finches, American Goldfinches and Indigo Buntings. The Magnet reproduces the charming songs of these choosy species, assuring them that others of their kind are thriving. The familiar calls encourage them to visit your feeding-station and/or nest boxes and become delightful regular visitors to your yard. Bird Magnet was designed in consultation with ornithologists and biologists for maximum realism. Naturally recorded digital output represents multiple individuals, with each song set to play at naturally occurring sound levels and intervals. Volume Control (call birds from next door or farther away) Choose Purple Martins OR Songbirds Purple Martins Chatter for Two Hours at Dawn Songbirds Sing Intermittently from Dawn to Dusk Photocell Light Sensor with a Timer for Either Call In Stock-Ships Fast BIRDXSBM 10706069134133