CEXECELLS Replacement 50m Underwater Waterproof Diving Clear Protective Housing Case Cover For Gopro hero 4 3+ Sport Camera - Black & Transparent Complicated with Gopro Hero 4 3+ camera, Tested many times can be use underwater 50m. The Camera lenses is the same as original, Working procedure : Twice Silkprint + Vacuum plating + Plating anti-fingerprint + Steel Three buttons features with sanding and polishing process, and the sealed ring is very precise. The base static surface polished. The moulding cost for transparent shell of upper and lower is more expensive, it is thrice than others. We adopt the best imported pc materials,It looks clear as crystal.