Dual-Beam Transducer with Transom/Trolling Motor Mount for echo Series FishfindersWant to use your echo series fishfinder in more than one vessel A second transducer can make the process a lot easier. It comes with all of the hardware you need to mount on your transom or trolling motor. 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 Owners Manual Url: https://productimageserver.com/literature/ownersManual/40571OM.pdf