Sierra R3 Digital Multi Function Gauge. 850 NIT backlit display. Customizable touch screen with pre-loaded digital faces can be changed on the fly. Fits in standard 3-3/8" hole cutout. Fully round, edge-to-edge LCD-color display. IP67 protection. NMEA 2000 compatible. Styling of a traditional analog gauge with modern ability to change looks to suit any application. Direct fit for most 3-3/8" cutouts.