The Panther 100 Electro Steer is easy to install anywhere in the transom area and is operated with a 24' cable w/handheld remote for convenient operation. Steers from full right to left in only 4 seconds with fast, precise control. Includes connecting rod w/quick disconnects. 781-550100A: Freshwater http://96bda424cfcc34d9dd1a-0a7f10f87519dba22d2dbc6233a731e5.r41.cf2.rackcdn.com/panthermarineproducts/electric-steer-and-steering/electro-steer-remote-auxiliary-steering-model-100-freshwater/55-0100A_Spec_Sheet.pdf 781-550101A: Saltwater http://96bda424cfcc34d9dd1a-0a7f10f87519dba22d2dbc6233a731e5.r41.cf2.rackcdn.com/panthermarineproducts/electric-steer-and-steering/panther-101-saltwater-electro-steer/55-0101A_Spec_Sheet.pdf for both http://96bda424cfcc34d9dd1a-0a7f10f87519dba22d2dbc6233a731e5.r41.cf2.rackcdn.com/panthermarineproducts/55-0100A_Install_pub_hansen.pdf 781-550105: http://96bda424cfcc34d9dd1a-0a7f10f87519dba22d2dbc6233a731e5.r41.cf2.rackcdn.com/panthermarineproducts/55-0105_spec_hansen_2017.pdf http://96bda424cfcc34d9dd1a-0a7f10f87519dba22d2dbc6233a731e5.r41.cf2.rackcdn.com/panthermarineproducts/55-0105_install_pub_hansen.pdf