●High-visibility sunlight viewable 7" display ●1. 2 megahertz HyperVision CHIRP technology delivers super-high resolution sonar imagery ●Built-in RealVision 3D sonar gives you the power to accurately identify the location of ledges, channel beds and other contour changes ●Fast quad-core processor allows instantaneous chart re-draw and continuous 3D rendering ●Dedicated keypad controls for simple operation, plus an oversized waypoint key for marking favorite spots ●plastic ●Fishing;Boating;Outdoor Lifestyle