Sj0221preview.mp4 -

While "SJ0221preview.mp4" appears to be a specific filename for a preview clip from an SJCAM

: It features one lens optimized for daytime and a second "night vision" lens. While innovative, some reviewers find this design "funky" and question its practicality compared to high-end rivals. SJ0221preview.mp4

is a unique dual-lens camera designed to handle both bright daylight and low-light "night" conditions. While "SJ0221preview

: It is marketed as waterproof and includes a professional underwater mode to restore natural colors. SJ0221preview.mp4

SJCAM SJ20 Action Camera 4K 20MP HDR Camera ... - Amazon.com