①1296P ultra-clear (sharper than 1080P);
② Ambarella A7L chip (image clear, stable, mature technology);
③150 ° wide-angle (license plate can see clear wide angle) [Note: belt speed is 156 ° wide-angle Oh];
④ fixed speed warning (a machine) [Note: The speed limit with paragraph];
⑤F2.0 large aperture (the larger the aperture into the larger amount of light, the better night vision) Note: With the speed F1.8 large aperture Oh];
⑥ black classic dynamic fashion modeling (end atmosphere on the grade);
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Tachograph important parameters:
Definition: 1296P> 1080P> 720P  higher resolution descending course to see more clearly.
Aperture value: F / 1.8> F / 1.9> F / 2.0> F / 2.4 [F] value the greater the smaller the aperture the greater the amount of light into the larger the aperture, the better night vision .F1.8 aperture ratio F / 1.9 larger.
HP F5301296P aperture F / 2.0 resolution than you can imagine.