BF-1

Adjustable Circular Polarizer/Linear (CPL) Filter for BlackVue Dashcams.
Reduces reflections in daylight.
Not recommended for night or low-light recording.
DR970X, DR770X front cameras and past models with similar form factors (DR900X, DR750X, DR900S, DR750S, DR650S, DR650GW).
Not compatible with DR970X Plus and Box models.