Thank you for viewing. This is the OLYMPUS genuine waterproof protector PT-057. This is a genuine model compatible with the popular Tough series (TG-850 / TG-860 / TG-870), and is a highly reliable and robust underwater housing. [Product Condition] ・Unused (opened, only tested for operation) No history of underwater use Overall in very clean condition There may be minor scratches due to storage, but there are no problems as an unused item. [Included Accessories] ・Outer box ・O-ring ・O-ring grease ・Strap ・Instruction manual ・Other accessories ※All items are shown in the photos. [Main Specifications] ・Compatible models: OLYMPUS Tough TG-850 / TG-860 / TG-870 ・Pressure resistance: 45m depth ・External dimensions: Approximately 157 x 122 x 81mm ・Weight: Approximately 466g (on land) ・Material: Polycarbonate resin ・Operation: Compatible with main button operations [Recommended Points] ・Ideal for scuba diving, underwater photography, and snorkeling ・Genuine design for a perfect fit and peace of mind ・High reliability, supporting depths up to 45m ・Also recommended for outdoor activities, travel, and ocean photography Unused genuine products are rare and have a limited supply. It's a first-come, first-served basis, so if you're interested, please consider it as soon as possible.