Waterproof Hd Dive Housing Case for Gopro Hero4 Black / Sliver Skeleton Housing ( 75M Deep) Make sure purchase from Montrade LLC for high Qulity Replacement GoPro Housing for HD HERO4 Black / Sliver Cameras Replacement GoPro HD HERO 4 Underwater Waterproof Camera Housing+Lens+J-Hook Buckle Large Flat glass lens delivers maximum image sharpness above and below water Dive Housing is designed for deep sea diving and extreme activities All Tested under water 75 Meter (246 Ft. ) deep