The Canon WP-DC54 Waterproof Case for G7 X Digital Camera 9837B001 is designed to provide a waterproof housing for the PowerShot G7 X camera. It helps in shooting images underwater even at the depth of 130 feet. This case is designed in such a way that it is easy to access all the mechanical controls like dials and buttons. It is constructed from durable plastic polymer that is also highly transparent to provide complete view of the camera. The O-ring seal along with snap closure helps in keeping the housing watertight. The built-in flash of the camera can be used to trigger an optional external strobe wirelessly. While the cold shoe mount helps the connection of optional lighting arms or external flash units.