Product Description:.This dome port suit for Gopro Hero 3+/4 camera.It’s pretty tough to shoot half underwater/ half and half photos,because the water line, filed of view and underwater magnification stop you doing that, so to even things out, you need this dome port!. The dome pushes the water line away from the lens, the field of view is increased,above and below the water line, it gives you very cool pictures..The water magnifies things. This distorts the look of photos, making the above water objects look normal while the underwater objects look larger.With this dome port, it normalizes the field of the view, it match up above and below the water line, which gives you a real world!.Moving the waterline away from the lens makes it possible to capture images both above and below the water simultaneously..These are often referred to as half and half, 50/50, over under or split-level pictures..Easy to operate, nearly infinite depth of field, wide-angle lens and video and still image quality make the GoPro perfectly suited for this application..The Dome Port utilizes a custom made semi-hemispherical acrylic dome that has been optically matched to work with the GoPro lens,package includes GoPro housing and a floating handheld, all you need is a camera,turn it on and produce stunning imagery.The Dome Port works with the Hero3+ or Hero4 housing and does not require any special modifications or separate accessories..The GoPro is just as secure as always since the Dome Port slips right onto the housing, it does not alter the depth rating of the GoPro housing..The Dome Port provides access to mode, power and shutter control buttons while installed,for more processing you can use a gopro WIFI remote control as well..You can use it in swimming pool,river ,sea , anywhere you like . It's a super screat if you take it when you have a trival with your friends / Package Include1 x Dome Port with waterproof housing case1 x Floaty Handle Pole1 x Screw1 x SHOOT pouch