not esitez is THE UNDERWATER DIVE for GOPRO 4 - distributed by "gopro" the camera fits perfectly, only problem the foam strip is pein middle of the screen of 4 silver, but withdrew quite easily The box is a bit bigger than the basic and the most resistant plastic, however, the interchangeable rear doors are not compatible with the basic housing. Be careful if you pick a color filter the window is larger (see specialized site) For diving the back door is not "touch" to the screen. The manitulation control buttons require more pressure Now to see in diving because everyone know, nothing remains permanently sealed and sometime ......