The product line of GoPro is very simple. The main product line is GoPro HERO (with latest to be 7 generation)
Both are capable of shooting video up to 4K. Battery life is usually 1.5-2 hours for continuous shooting. You can record while charging.
There is also an entry level camera which can shoot up to 1440p.
Additionally, there is a GoPro Fusion with which you can shoot 360 video. https://www.amazon.co.jp/dp/B07V3FMTVM