Features:

• 3 3/8" inch diameter, 1 1/2 inch deep

• GPS Speedometer:

  • Real-time speed tracking up to 150 MPH, powered by a built in GPS speedometer sensor 

• Tachometer:

  • Works on 1-2-4-6-8-10-12 cylinder engines

  • reads your RPM from 0 to 9,999 

• Volt Gauge:

  • reads 9.0 - 16.00 Volts

• Back lighting