4.3" Can bus touch Display.
Still in beta testing, It is a fully functioning usable display. I will be working on updates and these can be installed from this website:
https://nickz1969.github.io/ESPDisplay/
Uses Haltech Can bus protocol.

Multi screen layouts (4 currently).
Easy firmware updates from the web.

Some customising is available in the menu
AFR or Lambda is viewable.
Brightness control.
Format SD Cards.
Redline settings.

Display can also datalog using a SD card:

RPM
AFR
AFR Target
Manifold air pressure
Coolant temperature
Inlet Air temperature
Throttle Position (TPS)
Battery Voltage
Fuel Pressure
Oil Pressure
Timing Advance
Coil Dwell
Injector Pulse Width
Vehicle Speed Sensor
Boost Pressure
Flex Fuel composition

Measurements : 135mm long, 84mm High, 30mm deep

Case is a 3d Printed in ABS plastic and can be used in cars safely.