1. This gauge work with Electronic sensors not air core (machanical sensor).
2. Stepper Motor is more fast more accurate.
3. Turbo Gauge, Vacuum Gauge, EXT Temp Gauge, Oil Press Gauge, Volt Gauge, Oil Temp Gauge, Water Temp Gauge, Tachometer & Vacuum 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. A red emitting needle pointer increases visibility. 
5. The illumination color can be adjustable from white and amber red 
6. Double Warning function by a meter's LED lamp and a beep 
7. only for 12V vehicles 
8. work without the control unit 
9. This is universal meter gauges that can fit any car 
10. Gorgeous Opening mode and Ending model.

Volt: 10-15V
Water Temp Celsius: 20-120°
Oil Temp Celsius: 50-150°
Oil Press BAR: 0-10 BAR
RPM: 0-9000RPM
VACUUM: -1-0.2BAR
BOOST BAR: -1-2BAR
EXT TEMP: 200-1100°
 
Functions:
1.Peak Setting
2.Color Choose
3.Bright Level
4.Buzzer Type
5.Buzzer Level
6.Open Ceremonies
7.Warning Setting
8.Zero position adjustment

Package including:
1 *  Gauge
1 *  Hat and Holder
1 * Sensor (If have)
1 * Bolts Pack
1 * English instruction