The CHIRP/GPS Element™ HV model from Raymarine gives you the upper hand when hunting for fish and their habitat. Delivering the sharpest view of the underwater world, Element’s HyperVision™ 1.2 megahertz sonar technology turns up the resolution of DownVision, SideVision, and RealVision 3D to a new level of precision imaging- 7", 9" and 12" display.- Sonar Hypervision with CHIRP 3D technology supported by a single high-functionality level transducer.- CHIRP 350Hz 1.2 Megahertz dual-frequency sonar.- Dedicated keypad.- Quad-core processor with LightHouse 3 Sport technology optimized for fishing.- Compatible with VHF, AIS, Autopilots, Engines, Tanks, Direction sensors, Quantum WI-FI Radars.- compatible with the best nautical charts including Navionics, C-Map, Lighthouse, Fishing Hot Spots, Standard Mapping and many others;- Transducer included.