Anti-fog coated lens reduces fogging, Domed glass lens resists scratching and total lens washout in sunlight, Stainless steel Bezel, Silicon dampened pointers reduces pointed bounce in rough waters, Reverse polarity protection, Optional eyebrow bezels available for stylish look, Fully backlit dial with gray numerals and gradients while backlit blue for balanced lighting, Fully backlit pointer, 3D dial design provides larger dial viewing area without increasing gauge footprint, LED lighting, Hourmeter included in tachometer, GPS speedometer for accurate speed readings, no clogged or damaged pitots and tubing to worry about, GPS receiver included, Deutsch electrical connectors included.