The Mares flagship extended range dive computer, the Sirius is wrist-watch style with technology both for the sport and technical diver. The sport diver can see dive data in a simple, intuitive way, with the possibility of integrating tank pressure using the optional transmitter. Advanced Nitrox and technical divers can configure up to five Nitrox and Trimix gas mixtures.

Feature Highlights

• Air/Nitrox/Trimix capable up to 100% O2
• 5 open-circuit gas switch presets
• Bühlmann ZHL-16C algorithm with configurable Gradient Factors
• GF presets for sport NDL and technical diving safety factors, plus user defined custom GF
• %CNS oxygen exposure tracking
• No decompression limit (NDL) sport dive planner
• Ascent rate monitor
• Date, time and temp display
• User configurable option to disable audible alarms
• User configurable units: imperial (feet) or metric (meters)
• Logbook of last 200 hours of diving
• Battery charge delivers 30 hours of diving (20 hours with transmitter)
• Battery charge level and warning
• Digital compass
• Synchronize with up to 5 optional wireless tank pressure transmitters

Also...

• Daily wear timepiece mode with a selection of watch faces
• Depth rating to { 492 fsw | 150 msw }
• Full MIP COLOR {1.34 in | 34 mm} screen
• Display brightness levels are user adjustable
• Compact case dimensions - { 2.4 in | 62 mm } x ( 0.67 in | 17 mm }
• User changeable silicone wrist straps (one long and one short strap included)
• Bluetooth Smart wireless upload/download
• User upgradeable firmware
• Wireless rechargeable internal battery
• Two Year Limited Warranty

The Mares Sirius has been designed with a wireless rechargeable battery and includes a wireless induction charging pad. Typical dive time on a single charge is 30 hours at medium screen brightness, 20 hours when used with transmitter. Although Mares recommends using their specific charging pad, it can also be charged by the flat mats that support the Qi wireless-charging standard (which includes the latest iPhones and many Android phones).

What's in the box: Included with every Mares Sirius from Dive Gear Express are black PVD coated stainless steel bezel and buttons, a black silicone three piece quick-change wrist strap kit, laminated reference card, zippered ballistic nylon polymer travel case, wireless charging pad and USB-A to USB-C cable. The software includes a complete dive organizer in both desktop and mobile app versions, supporting log downloads and firmware updates via the Bluetooth wireless interface. Optional accessories available separately include color wrist strap kits, and additional charging mats. If you want a well padded case suitable for boat use, consider adding the optional DGX Padded Storage Bag.