The Squawker   Each Squawker Comes With Volume Control Light Sensor Program Control Each squawker system comes with two 30 watt dual horned speakers and two 75 meter (250') lengths of speaker cable. A sample Squawker program may have the following sound sequence for Crows: hawk cries - short delay - hawk cries - short delay - crow alarm - crow distress - crow distress - short delay - hawk cries. This sequence is designed to create maximum confusion amongst the birds ensuring your crops remain protected for longer. Squawker is Manfactured in Canada by Phoenix Agritech (Canada) Ltd. and comes with a 12 Month Warranty on parts and workmanship. (Not including damage by Act of God or deliberate).