What are the differences between DVD navigation and GPS navigation system functions.gps tracker for bike supplier

　　1. It is fixedly installed in the audio position of the dashboard on the car, without a built-in battery. The power cord is directly connected to the car power supply, does not occupy the cigarette lighter, and has no external wiring. Overall, it is integrated with the vehicle dashboard, appearing relatively high-end and beautiful.

　　2. In addition to the handheld functions, it generally also integrates the playback function of DVDs, CDs, and other optical discs; It can also be connected to a rear view camera to achieve visual reverse on the screen; Some also have a mobile TV viewing function (some handheld external TV cards also have this function), which is even more enhanced.

　　3. It usually comes with an expansion card interface, which can play audio/video files on the storage card, resulting in a larger storage capacity.

　　4. The display screen is generally 6.5-7 inches, providing better viewing effect. The quotation is between 2000-3500 yuan (depending on screen size, functionality, and brand). The disadvantage is that it can be solidified on the vehicle and cannot be used with people.

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