1. White text version oil temp gauge, power precision passion. 2. 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. A red emitting needle pointer increases. visibility. 4. Double Warning function by a meter's LED lamp and a beep. 5. Only for 12V vehicles. 6. Work without the control unit. 7. This is universal meter gauges that can fit any car. 8. There are 2 types of sensors available: narrow band(0-1V) and wide band(0-5V).
