NRD-100 REMOTE DISPLAY is a compact remote data display for onboard electronics, it comes with a 5.7” silver bright monochrome LCD, and it can display up to 5 types of navigation data at a time from GPS navigator, Navigational sounder, Speed log, Gyro compass, Anemometer, Temperature sensor, etc. via NMEA 0183 interface. Audible and visual alarm for preset speed , wind speed, water depth. Powered by a wide-range of DC power source 10V~38V.