Enhance your underwater photography skills with this waterproof adjustable dome port designed for GoPro cameras. The port is made of durable plastic and comes with a floaty bobber, wrist strap, aluminum wrench, and a dome port that fits most GoPro cameras. It is rated to a water depth of 100ft/30m and features matched optics with GoPro's wide-angle lenses, making it a perfect addition to your camera accessories. The Telesin brand port is compact and travels easily, with an integrated water level line indicator that allows you to monitor the water level while shooting. This unit is perfect for camera enthusiasts who love to capture underwater footage and is compatible with GoPro Hero 3, GoPro Hero 3+, and GoPro Hero 4 models.