How to choose car navigation？
1.Brand:You must choose a good brand before buying car dvd player, Learn more about the performance of each product in the market and the feedback after the car owner uses it.
2.Display screen:Choose TET display, no reflection, can be seen clearly under strong light.
3.Resolution:car DVD screen has two kinds of analog screen and digital high-definition screen,The pixels of the analog screen are generally 240*240 or 480*240 pixels,The high-definition screen is generally 800*480 pixels or higher.
4.After-sales service:Current electronics, Some minor problems will occur after using for a period of time,This is understandable,So after purchasing the product of gps navigation,If you don’t get good after-sales service, you will have a headache.
