Thank you for viewing this product! m(__)m This is a Canon WP-DC19 Waterproof Case! I used this waterproof case until about 10 years ago. I believe all the accessories are included, such as the manual, strap, and diffuser. The case has a used feel, with fine scratches overall. There are no major scratches on the lens or display areas, and I believe it will function without issue. I have checked for water submersion, and I have confirmed that all buttons and levers are functioning without salt corrosion. The waterproof packing may have deteriorated over time since it has been a while since I purchased it. Please be sure to replace it with a new one before use. A new waterproof packing is not included. The original box is included, but it has discoloration, fading, and tears due to aging. We do not provide any warranty for water submersion or loss of the camera associated with the use of this product. Please be sure to perform water submersion checks and operational checks before use. Please carefully review the photos to confirm the condition of the product and make your purchase only if you are satisfied. We cannot accept claims or returns for issues visible in the photos, so please be aware of this beforehand.