Product Description:.The Dome Port works with gopro 3+/4..Includes camera housing and a floating bobber, all you need is a camera.The side of the base has 10 screw,this design allows the dome to be fully disassembled for cleaning and service.This dome port can be used underwater 30m(Maximum)..Nearly infinite depth of field wide-angle lens and video and still image quality make the camera perfectly suited for this applicationKindly note:Please pressing harder between the dome port and the camera housing case,and screw down the screws and test before divingPackage Include1 x Dome Port with waterproof housing case 1 x Floaty Handle Pole ( The default color is Green )1 x Screw1 x SHOOT pouch