A450 O Car 2.8 inch OBDII Head-Up Display System Baseus and can accurately detect carbon

and can accurately detect carbon dioxide

it is in the charging state

3-speed speed regulation

multiple alarms

8 million camera

A450 O Car 2.8 inch OBDII Head-Up Display System Baseus and can accurately detect carbon1. Multi interface, full OBD function, fault code removal, color font selection, acceleration test, deceleration test, PID list 2. Function display: speedometer, tachometer, water temperature meter, fuel consumption display, voltmeter, time display, 100km acceleration time, ignition angle, throttle valve data, intake pressure, overspeed alarm, water temperature alarm, voltage alarm, rest reminder , fault alarm, single segment four segment alarm,