Humminbird 4087101&nbsp; 958C HD DI Combo Down Imaging/Dual Beam Fishfinder and GPS with Ethernet Depth: 250 ft (DI) 600 feet Mounting: Gimbal or In-dash Down Imaging and DualBeam PLUS SONAR with SwitchFire Precision GPS and built-in ContourXD Dual SD Card Slots 8" Wide-screen With 480 X 800 Pixel Color Display With Ccfl Backlight * 16:9 Color Tft * Dual beam Plus Sonar With Up To 4,000 Watts Ptp Power Output * Gps Chartplotting With Built-in Contour Xd Mapping * Navionics and Lakemaster Compatible