Compatibility: This standard waterproof case is compatible with GoPro Hero4 Black/ Silver, Hero3+ Black/ Silver, Hero3. It's compact, Sealed and lightweight that great for Scuba Diving, Snorkeling, Surfing, Skiing, Rafting, Skydiving, X-Game, and other outdoor or water sports. Waterproof Performance: Can be used under seawater at depth of 131ft(40m) and the hard coat case is still able to protect your Hero action camera on land comprehensively. Flat Glass Lens & Aluminum Lens Frame: The high transparent tempered glass not only prevents the camera Lens damage but also ensures high definition pictures and videos. The lens frame prevents thermal expansion and contraction underwater for better waterproof performance. 316 Stainless Steel (SUS316): All the metal parts, door hinge, button needle, screw, are made of SUS316, effectively preventing seawater corrosion. Package Includes: 1x Waterproof housing case, 1x Quick release buckle, 1x Long thumb screw, 2x Inserts(12pcs) Compatibility: This standard waterproof case is compatible with GoPro Hero4 Black/ Silver, Hero3+ Black/ Silver, Hero3. It's compact, Sealed and lightweight that great for Scuba Diving, Snorkeling, Surfing, Skiing, Rafting, Skydiving, X-Game, and other outdoor or water sports. Waterproof Performance: Can be used under seawater at depth of 131ft(40m) and the hard coat case is still able to protect your Hero action camera on land comprehensively. Flat Glass Lens & Aluminum Lens Frame: The high transparent tempered glass not only prevents the camera Lens damage but also ensures high definition pictures and videos. The lens frame prevents thermal expansion and contraction underwater for better waterproof performance. 316 Stainless Steel (SUS316): All the metal parts, door hinge, button needle, screw, are made of SUS316, effectively preventing seawater corrosion. Package Includes: 1x Waterproof housing case, 1x Quick release buckle, 1x Long thumb screw, 2x Inserts(12pcs)