Dedicated Canon underwater housing for the Canon Powershot S100 digital camera. Depth rated to 40 metres. Perfect for taking your Powershot S100 digital camera underwater for snorkelling or scuba diving but also ideal for taking worry free pictures in the rain, at the beach, or on the ski slopes. Supplied with a diffuser for use with the built in flash. Internal flash can be used underwater or used to trigger an external slave flash, such as the optional Ikelite Auto AF35. Standard 0.25 inch tripod socket on base.