It was stored unused, but I've opened it for photography, so I'm listing it as "near unused." The box has minor scratches from opening. The battery cover is stiff, so I stopped before opening it to avoid scratching it. AI Product Introduction for Model Number *Please note that this may be incorrect, so please verify online. LEONARDO 2.0, the evolved version of CRESSI's renowned "LEONARDO." This model boasts a level of reliability and visibility that leads many to say, "You can't go wrong with this," from beginners to veterans. The best-selling model from the esteemed Italian brand "CRESSI," loved by divers worldwide, has evolved further into the "LEONARDO 2.0." ■ Product Details Type: Wrist-mounted dive computer Main Functions: Air, Nitrox, Gauge modes supported ■ 3 Reasons to Choose LEONARDO 2.0 1. Overwhelming "Visibility" and "Ease of Use" Features a large high-definition screen. Depth and dive time can be confirmed at a glance, even in murky or dark underwater conditions. The "single button" design ensures easy operation even with thick gloves. 2. Advanced Latest Algorithm Equipped with CRESSI's proprietary "Cressi RGBM algorithm." It performs safer and more accurate decompression calculations for repetitive dives, strongly supporting diver safety. 3. Smooth PC Connection & Log Management The 2.0 model has an enhanced interface, allowing for more comfortable log data transfer to PCs and smartphones using an optional interface. ■ Recommended Features! This model is supported by a wide range of users, from beginners who feel overwhelmed by too many functions to professional divers who want a simple and robust backup. It is particularly notable for its Nitrox compatibility (oxygen percentage 21% to 50%), allowing you to continue using it long after you step up your diving skills. [Points of Assurance] * The battery can be replaced by the user, keeping running costs down. [Contents] * Computer unit * Instruction manual (quick guide) First come, first served!