4.3" Dash Cam Front and Rear 1080P FHD 170°Wide Angle, G-Sensor, Loop Recording

(if not,these two functions trigger the captured locked videos which can't be overwrite. If it shows card full,you need to format the card.). Format your new sd card on the dash cam when first use. We suggest using class 10 high speed micro sd card, no more than 32 GB.

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