Humminbird 858c DI Sonar / GPS Combo

The Humminbird 858c DI Sonar / GPS Combo uses Down Imaging Sonar detail to reveal cover and structure below your boat. Includes SwitchFire sonar and chartplotting with LakeMaster and Navionics compatibility. 7" color display with pristine 480 x 800 pixel clarity. Power output: 500 watts (RMS; 4,000 watts peak-to-peak. Temperature/speed: included. Depth: 250 (DI)/600. 10-3/4"W x 6"H x 2"D.Features:* Down Imaging - Use Down Imaging to reveal cover and structure detail below your boat. 455kHz/75deg @ -10db; 800kHz/45deg @ -10db.* SwitchFire - Exclusive Humminbird SwitchFire Sonar gives you the power to choose how displays are returned. Max Mode displays every return for the most complete picture while Clear Mode filters returns to display only fish and structure.* Dual Beam Plus - Optimized for excellent coverage of the bottom, Dual Beam features 25deg and 16deg beams for precision wit...