AutoMeter has brought together the most popular gauges into a simple kit. The kit includes a speedometer, water temperature, oil pressure, fuel level, and voltmeter. All senders included where applicable. AutoMeters 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, timedate, GPS coordinates, heading info, compass, and peak speed recall. Quite simply, the easiest, most accurate speedometer available.