humminbird 7300211 sw speed sensor
the humminbird sw transom mount speed sensor provides digital reading of your speed through the water and allows you to activate the triplog features . the sw speed sensor comes with a 20-foot cable mounts on your boat s transom mount and has a speed range of 2 - to 75-miles per hour . this kit is compatible with humminbird s matrix and fishfinder series as well as their ff and 900-series sonar units .