Super-sharp 3.5" large LCD Optical bonding for brighter colors, sharper contrast, and fog-free operation Dedicated one- and ten-degree course change keys Wind vane mode with AutoTack control when combined with Raymarine wind instrument Glass bridge design integrates with Axiom Series Chartplotters SeaTalkng networking for seamless connection to Raymarine and NMEA2000 networks Supplied with both black (Axiom style) and gunmetal-colored (e-series style) bezels and protective cover