The Mares Quad Ci Dive Computer allows you to tailor each dive to your needs, fuelled by the fully customizable Bühlmann ZH-L16C algorithm and featuring the vibrant 8-colour and high resolution MIP display. The upgraded Quad Ci is a highly versatile dive computer with different diving modes to choose from: air, nitrox and trimix. It includes a digital compass, a stop watch and hoseless tank data integration as well as up to five transmitters at a time. The Quad Ci with its smart battery management system offers 20 hours of dive time per full charge and a logbook capacity of 100 hours. Like any other Mares dive computer, you can stay connected via the Mares app (via Bluetooth), accessing real-time dive insights. Safety features such as TTR and a runaway deco alarm, make this computer highly reliable and the best companion for underwater exploration! Features: Customisable Bühlmann ZH-L16C algorithm: Tailor your dive with personalized gradient factors, ensuring a safe and unique underwater journey Advanced decompression features: Explore alternate gradient factors and ceil-con decompression for enhanced safety during your dives Versatile dive modes: From air to nitrox, trimix and bottom timer, this dive computer adapts to various diving profiles High-resolution MIP display: Immerse yourself in an 8-color, high-resolution MIP display, presenting jumbo-sized information for at-a-glance readability Integrated digital compass: Navigate with confidence using the full-tilt digital compass, complete with bearing memory and a stopwatch Hoseless tank data integration: Connect up to five transmitters for seamless tank data integration, featuring color-coded pressure and saturation levels (for extra $289) Decompression dive planner: Plan your dives with precision using the decompression dive planner, accompanied by an additional surface interval function Logbook capacity: Record up to 100 hours of dive profiles at a 5-second sampling rate, allowing comprehensive post-dive analysis Smart battery management: Enjoy a dive time of 20 hours per full charge (30 hours without transmitter) with a smart battery management system Charging convenience: Charge effortlessly via clip and USB cable, with 500 charging cycles ensuring lasting performance Bluetooth connectivity: Stay connected with integrated Bluetooth, enabling direct connection to your smart device Real-time dive insights: Access dive profiles and tissue saturation graphs during the dive, enhancing your real-time awareness Underwater menu and quick commands: Adjust certain settings underwater with the intuitive four-button interface and quick commands Time to Reserve (TTR): Monitor the time you can spend at the current depth before reaching the tank reserve Safety features: Benefit from a runaway deco alarm and altitude adaptation sensing ambient pressure every 20 seconds User-friendly firmware updates: Keep your dive computer up-to-date with firmware updates conveniently delivered through the Mares app