Product Description: 1. Power/Mode Button Accessible: Convenient to switch camera mode simply by pressing the mode button on the back, no need to open the backdoor 2. Front LCD View Window: Reserved opened space for the LCD View Window, convenient to check camera mode through the acrylic dome 3. Semicircular Dome Port Design: Move waterline from the camera lens, making it possible to capture images both above and below the water simultaneously, which provide a new view for all water-involved sports 4. Rubber Covered Floating Grip: Newly-designed hand grip, anti-skid even for underwater usage. With 1/4'' socket at the bottom, compatible with other accessories with 1/4'' screw 5. The side of the base has 12 screws, this detachable design allows the dome to be fully disassembled for cleaning 6. Compatibility: Fully compatible with Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3, not for other cameras Product Features: 1) Integrative Aluminum Alloy Housing 2) Front LCD View Window 3) Power Switch Touchable 4) High transparent Acrylic Dome 5) Waterproof up to 147ft (45 meters) 6) Anti-rust Stainless Steel Screw 7) With Waterline Indicator Specifications: Material: Acrylic & Aluminum Alloy Item Weight: 540g Package Weight: 780g Package Includes: Dome Port for GoPro Hero 4/3+/3 x 1 Floaty Grip x 1 Long Thumb Screw x1 Spanner Tool x1 Wrist Strap x 1 Drawtring Bag x 1 Please Note: This dome port is for GoPro Hero 3, Hero 3+ and Hero 4, not for other models.