The Mares Sirius Dive Computer in Black/Black is a reliable and durable instrument for scuba and diving enthusiasts. Its long-lasting battery provides up to 30 hours of dive time on a full charge, helping you plan longer underwater sessions. The high-contrast MIP color display offers clear visibility, and Bluetooth connectivity enables direct pairing with your smartphone. It can store 100 dive logbooks, making it a practical piece of diving gear for tracking performance. The sleek design is comfortable to wear in and out of the water. Transmitter sold separately.

Designed for versatile scuba and technical diving, Sirius uses the ZH-L16C algorithm with gradient factors and predictive multigas. It is Nitrox and Trimix capable, supporting up to five gases. The device features a MIP color high-resolution display, a full tilt digital compass with bearing memory and stopwatch, hoseless tank data integration for up to five transmitters, and color-coded tank pressure for at-a-glance readability. Additional modes include bottom timer with resettable average depth and stopwatch, a decompression dive planner with a surface interval function, and a 100-dive logbook with multiple graphs. It also provides tissue saturation and dive profile graphs, an underwater menu for in-dive settings, future deco and runaway deco alarms, two dive data display options, and three watch faces with color choices. Battery management offers up to 30 hours of dive time per full charge without tank data integration (20 hours with integration). Bluetooth enables direct connection to a smartphone. Transmitter sold separately.