74MM Greddi Style White Led light Gauge Series Gauge Volt Water Temp Oil Temp Oil Press RPM Turbo EXT Temp A/F Ratio Fuel Press Features: 1, ThisseriesTempandPressuregaugeworkwithsensors(include) 2, Stepper Motor is more fast more accurate. 3, Turbo Gauge, EXT Temp Gauge, Oil Press Gauge, Volt Gauge, Oil Temp Gauge, Water Temp Gauge, Fuel Press,Air Fuel Ratio, Tachometer Gauge are available. 4, Gauge dials are invisible while the ignition switch is off. Once the ignition switch is turned on, a clear display appears with white LED illumination. 5, Warning: Red light flash 6, only for 12V vehicles 7, work without the control unit 8, This is universal meter gauges that can fit any car Package including: 1 X Gauge 1 X Holder 1 X Sensor (If have) 1 X English instruction 1.EXT Temp 2.Tachometer 3.Air Fuel Ratio 4.Water Temp 5.Oil Temp 6.Turbo Boost 7.Oil Press 8.Fuel Press 9.Volt