4-1/4" (110MM) ViewLine GPS Speedometer 0-35 KNOTS/KMH/MPH - 8 to 16V Black Dial & BezelBased on the ViewLine housing concept, ViewLine gauges provides an ideal IP protection class, a modern appearance and high quality standards. It provides many parameters in NMEA 2000® and there are several customization opportunities to meet specific customer demands.Displayed Data: GPS signal quality, Course over ground (COG)UTC time (optional with external push button) Trip distance (optional with external push button), Trip time (optional with external push button)Specifications: Embedded GPS antenna Robust and flexible design for versatile applications CAN capability (NMEA 2000®) Pointer for analog indication of Speed over Ground (SOG) Programmable speed alarm Fixed segment LCD Flush mount possibility Front side protection rating IP67 Compass for Course over Ground (COG) Clock 110 mm installation diameter 126 mm outer diameter  50 mm installation depth Reverse polarity protection 1x Telltale generic alarm   1x Telltale alarm (knots / kmh / mph)