This is an intelligent and powerful automotive meter, can help you to see your driving parameters without lower heads.

Features:
Head-up display the driving speed and altitude.
Driving time and mileage calculation and display.
Easy setup, plug-and-play, no professional installation is required.
Compatible with most car. Use global position system signal guided calculation. No wiring needed to the VSS (vehicle speed signal).
Display MPH or KM/h.
Auto adjust brightness through s-ensor for day and night driving.
Vehicle driving speed display. Green color speed display, easy on your eye.
Over-speed alarm setting.
Total mileage display after car stops.

Specifications:
Main color: black
Main material: ABS+PC
Screen size: 4.5in
Input current: DC50-120mA
Item size: 105 * 59 * 16mm / 4.1 * 2.3 * 0.6in
Item weight: 78g / 2.8ounce
Package size: 115 * 65 * 71mm / 4.5 * 2.6 * 2.8in
Package weight: 142g / 5.0ounce

Packing List:
1 * Car Speedometer
1 * Stand
1 * USB Cable
1 * Rubber Band