Digital Universal GPS HUD Speedometer Display GPS Head Up Dispaly Speedometer Car Truck Odometer with Over Speed Warning / Car Clock / 5.4in Large Screen KingNeed C90

I. Main Features
1) Head-up display the driving speed.
2) Driving time and mileage calculation and display.
3) Over-speed alarm setting.
4) Fatigue driving alarm.
5) Altitude display.
6) Local time display with auto timezone adjustment.
7) 5.4in Large size screen.
8) Easy Setup--Plug & Play- Power through vehicle USB port. No professional installation is required.
9) Compatible with all Cars & Trucks. Use GPS signal guided calculation. No wiring needed to the VSS (vehicle speed signal).
10) Display MPH or KM/h.
11) Auto adjust brightness through sensor for Day & Night driving.
12) Green color data display, easy on your eye.
13) Total mileage display after car stops.

II.Technical parameters:
1)GPS positioning time: 1 to 5 minutes in the open air (The bad weather will affect the positioning time).
There is no GPS signals indoors.
2)Speed deviation: Since the speed data comes from the GPS satellite, slight deviation is unavoidable.
3)Input voltage: DC 5V Input current: DC 50-120mA Working temperature: -30 to 70 degree
4)Driving data deviation is around 2%
5)All driving data will be cleared when power off except the total mileage.
6)The output voltage of USB cable in the packing box is 5V,
please do not use for mobile phone charging!

III. Packing List
1.GPS speedometer x1
2.USB cable x1
3.Sticker Stand x1
4.User Manual x1
5.Gift Box x1