The computer is new and unused Oceanic deo 2.0 Features: - Stainless steel interface. - Supports nitrox up to 100%. - Supports four operating modes. - Internal storage for up to 25 dives, and you can download dives to an external computer via a cable (optional). - Clear LED screen. - It calculates dives based on longer time than competing computers, giving you longer bottom time due to the dive tables used in its programming. - Warning sounds for bottom time, ascent, rapid descent, safety stop, and decompression stops. - It can be updated online for free via the company's website.