![]() ![]() Some cameras have date / time in black letters on white background on the top / middle (likely a Zoran processor), Most cameras have the date / time on top left in hollow white letters (F20 processor).Some models use a suction cup, others use 3M tape, some models come with both (3M tape is preferred).Low end models record in AVI format, high end in MOV format.Like most Chinese cameras, there are many manufacturers with different specs. There are a few models with the SQ909B-L processor as pictured below. Most of the these dash cams are using the Allwinner F20 processor as pictured below. This setup has better rear picture quality than the all-in-one dual cameras since it only records what is happening outside the car rather than inside the car. The rear camera is mounted separately on the rear window rather than being part of the main unit. Night quality is below average for the front camera and poor for the rear camera. The daytime video quality from the front camera is good and the rear camera is slightly below average. This dual lens DVR can record 720p at 30fps for the front camera and 480p for the rear camera. The HD 720P Dual Lens Model camera has recently gained popularity.
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