3-3/8in. GPS SPEEDOMETER; 0-140 MPH; TRADITIONAL CHROMEThe latest in technology and the easiest possible way to add a highly accurate speedometer to your vehicle. AutoMeter's advanced GPS Speedometers require no interface with your vehicle aside from power and ground. Their ultra fast, omnidirectional micro antenna is included for true plug and play functionality and never requires calibration. Configurable Rally Nav display shows odometer, trip odometer, time/date, GPS coordinates, heading info, compass, and peak speed recall. Quite simply, the easiest, most accurate speedometer available. Incandescent Lighting Illuminates Around Perimeter Of Dial Displays Coordinates w/Heading Compass Peak Speed Recall Plug And Play No Calibration Required Digital Odometer w/2 Selectable Tripmeters Incl. GPS Antenna Spade Connectors Incl. Bulb And Socket Assembly Red/Green Bulb Covers Incl. Mounting Hardware/Installation Instructions 12 And 16V Compatible Display Features Time/Date/Cumulative Distance/Trip Distance