: It features an "auto-on" road mode that triggers when a car starts.

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

If you are reviewing a file specifically named "SJ0221preview.mp4," it is likely a sample clip intended to show off the or the underwater stabilization of the

action camera, there is no single established "topic" or viral event by this exact name. Based on the naming convention, this file typically serves as a low-resolution thumbnail or sample for the action camera, which was a notable release in early 2024. Review of the SJCAM SJ20 (Source of SJ-Series Previews)