a. Driving speed display.
b. Compass display.Compass direction is the driving direction.
c. Single driving time display.
d. Single driving mileage display.
e. Total mileage display.
f. Over-speed alarm.
g. Fatigue driving alarm.
Driving speed unit can be switched between MPH and KM/H.
Below data can be calibrated/adjusted:
a. Driving speed.
b. Over-speed alarm rate.
The case is made of high temperature resistant anti-fire materials,
it will not be deformed at 80 degrees for 3 hours, tested by a
professional high temperature machine.
No built-in battery, no explosion/no burning hazard under high
temperature.
Compatible with all Cars & Trucks. Use GPS signal guided
calculation, No wiring needed to the VSS.(vehicle speed signal).
Easy setup--Plug & Play, No professional installation is required.
Power supply mode:Vehicle cigarette lighter 12V or 24V.