Lowrance HDS-16 PRO, No Transducer. 16" SolarMAX HD IPS display, Dual 1kW sonar with CHIRP, ActiveImaging™ HD ready. Networkable to Lowrance performance sonars (ActiveTarget™ and ActiveTarget™2), Radars, Trolling Motors, and Autopilots along with waypoint, chart, and sonar sharing. Worlwide basemap (chart card required).