Sierra 69726P Eclipse Series IBIO Twin Engine Gauge Kit Features Gauge Description Twin Engine Add On IBIO Gauge Kit Gauges 4 Gauge Set Instruments available for most outboards, stern drives and gasoline-powered inboards Scratch-resistant domed glass lenses Perimeter lighting for excellent readability at night U.S. and metric scales, with ISO symbols, where appropriate Optional add-on eyebrow or square bezels available see Gauge Accessories for details Contains 68401P Water Temperature gauge 684