Capture vibrant 14mp still images and brilliant 4K video with a ultra-compact camera especially designed for the underwater environment with the ReefMaster RM-4K. Waterproof to 130ft/40m, the ReefMaster RM-4K underwater camera is a game changer in underwater imaging; the housing is robust and designed to be hand-held, tray mounted or worn on your head, mask or body. The  ReefMaster Dive housing assures consistent waterproof performance with its “Pressure-Lock” sealing system.