The NEW SMG4 Multi-Function Gauge Display uses a state-of-the-art high-contrast, LCD display to monitor and input real-time graphic and numerical digital data. Comes with sun cover. When connected into the SMIS system, it can monitor all engine functions, Speedometer, Tachometer, and GPS. Along with many other features. **GAUGE ONLY** This gauge requires the correct adapter to function properly with MECHANICAL (36661-96L30) or SPC 1.0 (36661-96L20) controlled engines. You will not need a fluid level sensor. Gauge is compatible with WEMA fuel senders and will supply data for up to two fuel tanks in the boat. 34200-96L22 ORIGINAL PART NUMBER For DF9.9B through 350HP S/N 310001 AND UP. Compatible with NMEA 2K systems.