Video resolution: Front 1080P (1920 1080p)+ Rear 720P (1280 720p). Dual Lens Dash cam 4" FHD 1080P Screen. Q: Why doesn't the recorder record after I insert the SD card?. Not working?. The dash cam can be connected with the reversing image wire to provide a rear view and parking guideline automatically when the reverse gear is engaged.Avoid scratch and collision when parking.
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