RAYMARINE Element 7 HV, Lighthouse Chart, No Transducer Element 7 HV, MFG# E70532-00-102, Chartplotter/Sonar with 7 in LCD, internal GPS, LightHouse N. America charts, 200/350/1200kHz Hypervision Sonar with DownVision, SideVision, and RealVision 3D. Transducer sold separately.