Features: 
100% Brand new and high quality!
Plug and Play connectivity for any OBDII or for EUOBD capable vehicle.
5.5"‚ 5 colour display.
Multi colour design makes the screen easier to read highlight important details for quick viewing.
The use of nanotechnology to eliminate unwanted reflections making the information easier to read.
Driving mileage and consumption.
Ability to display a huge range of car statistics including: speed‚ engine rotational speed‚ water temperature‚ battery voltage‚ instantaneous fuel consumption‚ average fuel consumption‚ mileage measurement‚ shift reminder‚ fatigued driver reminder‚ low voltage alarm‚ high temperature alarm‚ speed alarm‚ engine fault alarm‚ fault code .elimination‚ ability to change units e.g. Kilometre/mile.
Auto power on and off with the vehicle.
Automatic and manual brightness adjustment mode.

Specifications:
Environment temperature - 40 0C— +80 0C
Barometric press:86-106KPa
Relative humidity:10%-95% 
Environment voice:<=60dB
Alarm of sound level:>=30dB(A)
Work voltage:9V~16Vdc(12Vdc/400mA)
Size of product:12.5*7.5*1.5(cm)

Package included:
1 x A8 5.5 Inch Car Neutral Head Up Display Speed Warning System Fuel Consumption
1 x User manual