Transducer Extension CableUse this 10&'; (3M) extension cable to connect your 4-pin transducer to your sonar unit.Compatible Devices: echo 100 echo 150 echo 200 echo 300c echo 500c echo 550c WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No