OceanTEC GPS Speedometer 0-30 kn, high-precision speedometer, analog and digital display, plug and play without drilling holes in the boat - black or white

Displays speed over ground (analog) and course over ground (digital). High-end 32-channel GPS receiver. Pure plug and play! No holes required in the boat except for 85 mm in the cockpit panel for the display. 12 V operating voltage. Independent, no connection to other devices necessary. Available with 15, 30, and 60 knot displays and with a black or white dial. Mounting diameter: 85 mm. Instrument diameter: 96 mm.