Use this slim lightweight housing as a spare or replacement for your hero4 hero3 or hero3 camera the flat glass lens delivers maximum image sharpness above and below water waterproof to 13140m includes standard skeleton and touch backdoors slim lightweight design makes your gopro more wearable and mountable than everwaterproof to 131 40mflat glass lens delivers maximum image sharpness above and below waterincludes standard skeleton and touch backdoors whats included standard hou