Only one controller can control all instrument work. Only one controller can control all instrument work1. This instrument is used in conjunction with electronic sensors. 2. Turbine gauge, vacuum gauge, external temperature gauge, oil pressure gauge, voltmeter, oil temperature gauge, water temperature gauge, tachometer and vacuum gauge are all available. 3. When the ignition switch is turned off, the instrument panel is not visible. As soon as the ignition is switched on, a clear display appears with white LED lighting. Red luminous needle pointer adds visibility. 4. The lighting color can be adjusted from white to amber red 5. Dual warning function is achieved through the LED light and beep of the instrument 6. Only suitable for 12V vehicles 7. Works without a control unit 8. This is suitable for any car Universal instrument 9, gorgeous opening mode and ending mode. Functions: 1. Peak setting 2. Color selection 3. Brightness level 4. Buzzer type 5. Buzzer level 6. Opening ceremony 7. Warning setting 8. Zero adjustment Package includes: 1 * Meter 1 * Bracket set 1 * Sensor 1 * Bolt pack 1 * English instruction manual