{"product_id":"cressi-leonardo-2-0-underwater-single-button-dive-computer-beginner","title":"Cressi Leonardo 2.0 Underwater Single-Button Dive Computer - Beginner","description":"\u003cp\u003eIn this review the Cressi Leonardo 2.0 is presented as a straightforward, entry-level dive computer best suited to new recreational divers who want reliable basic functionality without a steep learning curve. The single-button interface and a high-definition screen with large numerical displays make it easy to read and operate underwater, and the unit supports Air, Nitrox and Gauge modes with adjustable FO2 and PO2 limits for safe gas management. For divers who value simplicity and clear readouts, the Leonardo 2.0 is compelling; advanced technical divers will likely want more features.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-button operation:\u003c\/strong\u003e The single-button interface reduces complexity and makes mode changes and settings quick and intuitive for beginners and instructors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-definition display:\u003c\/strong\u003e Large numerical displays improve readability underwater and help reduce task loading when checking depth, time and decompression status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrox support:\u003c\/strong\u003e FO2 is adjustable between 21% and 50% and PO2 between 1.2 and 1.6 bar, allowing safe use with common nitrox mixes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety functions:\u003c\/strong\u003e Features like a CNS oxygen toxicity graphic indicator, audible alarms and a user-selectable deep stop enhance conservative dive management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable conservatism:\u003c\/strong\u003e Three user-adjustable conservatism levels let divers tune decompression tolerance to match experience and conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable battery:\u003c\/strong\u003e Powered by a CR2430 button battery with a battery life indicator and serviceable replacement by an authorized center to ensure watertight integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Leonardo 2.0 is aimed at beginner recreational divers, dive students and instructors who need a reliable, easy-to-read wrist computer with straightforward Air and Nitrox functions. Its single-button control and clear screen make it ideal for those still learning to monitor displays during a dive.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for technical divers or those who require advanced gas switching, multiple gas mixes during a dive, integrated wireless transmitters or a larger feature set. Photographers and divers needing a compact wrist profile should also check sizing, as some users reported the wristband feels large.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy one-button operation makes settings and mode changes fast and simple.\u003c\/li\u003e\n\u003cli\u003eHigh-definition screen with large numerals improves underwater readability and situational awareness.\u003c\/li\u003e\n\u003cli\u003eComprehensive safety cues including CNS indicator, audible alarms and deep stop option.\u003c\/li\u003e\n\u003cli\u003eAdjustable FO2 and PO2 settings support common nitrox mixes for recreational diving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report the wristband fits large and may not suit all wrist sizes without adjustment.\u003c\/li\u003e\n\u003cli\u003eThere are occasional concerns noted about long-term display durability compared with higher-end models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCressi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModes\u003c\/td\u003e\n\u003ctd\u003eAir, Nitrox, Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFO2 range\u003c\/td\u003e\n\u003ctd\u003e21% to 50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePO2 range\u003c\/td\u003e\n\u003ctd\u003e1.2 bar to 1.6 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eCR2430 button battery (replaceable by authorized center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eHigh-definition screen with large numerical displays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade in\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Cressi Leonardo 2.0 is a sensible buy for divers who need a simple, reliable dive computer with clear readouts and basic nitrox support. It offers strong value for new recreational divers thanks to its user-friendly design and safety features, though those wanting compact sizing or advanced technical functions should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the FO2 and PO2 limits be adjusted?\u003c\/strong\u003e\u003cbr\u003eYes, FO2 is adjustable between 21% and 50% and PO2 between 1.2 bar and 1.6 bar to accommodate common recreational nitrox settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the battery user-replaceable?\u003c\/strong\u003e\u003cbr\u003eThe device uses a CR2430 button battery that should be replaced by an authorized Cressi center to verify watertightness and maintain warranty and safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for technical diving?\u003c\/strong\u003e\u003cbr\u003eNo, the Leonardo 2.0 is designed for entry-level recreational diving; technical divers who need multiple gas switching or advanced decompression features should choose a more feature-rich computer.\u003c\/p\u003e","brand":"Cressi","offers":[{"title":"Default Title","offer_id":48248823939291,"sku":"B00H2V1GD0","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ihPGTkgxL._AC_SL1500.jpg?v=1770993959","url":"https:\/\/gearmusthave.com\/products\/cressi-leonardo-2-0-underwater-single-button-dive-computer-beginner","provider":"GearMustHave","version":"1.0","type":"link"}