1. Screen size: 4Inch 2. Product size: 115x66x12mm 3. Weight: 70g 4. Display Information: speed, direction, time, kilometer, time display, number of satellites, altitude, kilometer-mile free switching 5. Alarm: fatigue driving warning, overspeed alarm 6. The design of color screen makes the picture richer and easier to read. 7. Use nanotechnology to eliminate redundant reflection and make the picture clearer 8. Auto-switch, on-board start, on-board shutdown, effective protection of automobile batteries; while retaining manual switch mode, more conducive to the control of HUD 9. Automatic and manual brightness adjustment mode, driving is not dazzling 10. Products include: 1 * main engine, 1 * car filling, 1 * anti-skid pad, 1 * reflective film, 1 * instructions
