Canon Waterproof Case WP-DC34 for PowerShot G12/G11, 40m waterproof. I'm selling it because I don't dive much anymore and would like someone who does to get good use out of it. I never submerged it during use. As a precaution, I performed two submersion tests in a bucket at home before listing it, and confirmed that it did not leak. I've included photos of the tests. However, to avoid any unforeseen issues, please read the included instruction manual carefully and be sure to thoroughly check the case yourself before use. Thank you for your understanding. The diffuser is not included.