Canon Waterproof Case WP-DC48 for PowerShot G15 - Waterproof to 130 feet 6924B001 Depth rating: safe to use at depths up to 130' (39.6 m) Controls: mechanical controls provide access to all camera functions except for the touch panel Construction: made of clear polycarbonate. Use an optional case weight for ideal buoyancy underwater Lens port: built-in flat glass port with an anti-reflection coating on both sides Lighting: the camera's built-in flash can be used inside the housing, which comes with a flash diffuser for softening the light of the flash. This prevents harsh light from causing glare and hard shadows. The housing also features an external strobe connector