DO921 OBDII Multifunctional dashboard features a 6.5 inch low consumption LCD screen with 7 colors, black backlight ,English version, and universal to 12V vehicles OBDII models, RPM reach to 9000 max. It can read more than 12 engine data,easy installation ,plug and play .

*Functions Display*
1) RPM
2) Speed (KMH-MPH)
3) Fuel Level Input (%)
4) Absolute Throttle Position (%)
5) Calculate Load Value (%)
6) Engine Coolant Temperature (℃-F)
7) Voltage (V)
8) Time
9) Date
10) Intake Manifold Absolute Pressure(MAP)
11) Air Flow Rate From MAF(MAF)
12) Intake Air Temperature(IAT)
13) Ignition Timing Advance For 1#Cylinder(ITA)
14) Boost 

*System Setting*
1. Set Date
2.Set Time
3.Set Unit
4.Set Color
5.Set Dimmer
6.Set LED
7.Set Alarm
8.Display Protocol

*Alarm Setting*
1. RPM 
2. Speed 

*Parts List *
1. Display
2. Power Wire
3. Bluetooth OBD unit
4. Instructions manual

1. Easy installation,plug and play
2. Suitable for most 12v vehicle with OBDII system
3. Over-REVS warning function
4. Over-SPEED warning function
5. Screen shut down after turning off OBDII
6. White on black , 7 colors available
7. Bright can be adjusted by Manual/Automatic
8. With 4 colorful LED lights :green , green , yellow , red.

*Support Protocols*
1.ISO9141
2.KWP2000_FAST
3.KWP2000_5bit
4.J1850_PWM
5.J1850_VPW
6.CAN_250K_11Bit
7.CAN_250K_29Bit
8.CAN_500K_11Bit
9.CNA_500K_29Bit