LOWRANCE HDS-16 Live MFD, No Transducer HDS-16 Live MFD, MFG# 000-14433-001, with 16 in LCD, internal GPS/chartplotter with pre-loaded C-Map US Enhanced charts, Active-Imaging 3-in-1 sonar (CHIRP/SideScan/DownScan), Bluetooth and WiFi. Optional 3D sonar, Radar, AIS. Transducer not included.