RAYMARINE Element 12 HV, Lighthouse Chart, w/ Transducer Element 12 HV, MFG# E70536-05-102, Chartplotter/Sonar with 12 in LCD, internal GPS, LightHouse N. America charts, 200/350/1200kHz Hypervision Sonar with DownVision, SideVision, and RealVision 3D. Includes HV-100 transducer.