Included LCD heading display to show course over ground. Use our GPS antenna (sold separately) or connect to an existing NMEA 0183 GPS device - connectors included. Speed accuracy of +/-1 MPH (once moving). Heading accuracy of +/-1 degree (once moving). Ideal for slow speed apps like pontoon boats and for high speed performance boats w/ pitot tubes. Scratch-resistant domed glass lens. Enhanced illumination: through-dial and perimeter lighting for excellent readability at night. U.S. and metric scales.

• Dial Range: 0-80 MPH
• Size: 3"
• Included LCD heading display to show course over ground
• Use our GPS antenna (sold sep) or connect to an existing NMEA 0183 GPS device - connectors included
• Speed accuracy of +/-1 MPH (once moving)
• Heading accuracy of +/-1 degree (once moving)
• Ideal for slow speed apps like pontoon boats and for high speed performance boats w/ pitot tubes
• Scratch-resistant domed glass lens
• Enhanced illumination: through-dial and perimeter lighting for excellent readability at night
• U.S. and metric scales