Digi-Troll IV TransducerProvides bottom tracking ability to Digi-Troll IV downriggers. Network up to six downriggers to troll at set distances from the bottom through this single transducer.Includes mounting bracket and hardware.Part Number: 1491072WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.