lcd

For UW photography, what would you recommend, using the optical viewfinder that comes with the housing or using LCD screen?

I recently got a new camera and now I'm selling my GoPro Hero 4 Black. The camera works and is in excellent condition (no scratches or cracks). I'm selling the camera with the following: 1 clear standard housing (40 m) 2 blackout standard housing (40 m) 1 frame case 2 bacpacs (extended...