Discover the underwater realm effortlessly with the Mares Puck 4, an entry-level dive computer that uses the advanced Bühlmann ZH-L16C algorithm. Easy-to-use and feature-rich, this device offers versatile modes, user-friendly controls and a crystal-clear display. Dive confidently with the reliability of a user-replaceable battery and stay connected via Bluetooth. Embrace the perfect blend of simplicity and innovation as you explore the depths with the Mares Puck 4, where every dive is an invitation to a new underwater adventure.

Mares designed the new Sirius watch-style dive computer with the aim of perfectly combining technology and elegance. The characteristics of this dive computer feature top-of-the-range technology both for recreational and Extended Range divers. The recreational diver will see a simple screen, with the possibility of reading tank data thanks to the optional tank module. The Extended Range diver can insert up to five nitrox and trimix mixes to manage technical dives. The interchangeable strap allows the Extended Range diver to use any suit thickness. Its refined style makes the Sirius the perfect accessory, even out of the water. Available in black or black/silver versions.

The main features of the Sirius are:
ZH-L16C algorithm with gradient factors and predictive multigas
Nitrox and trimix capable, up to 5 gases
MIP color, high-resolution display
Full tilt digital compass with bearing memory and stopwatch
Hoseless tank data integration for up to five transmitters
Color coded tank pressure for at-a-glance readability
Bottom timer mode with resettable average depth and stopwatch
Decompression dive planner with additional surface interval function
100 dive logbook with multiple graphs
Tissue saturation and dive profile graph
Smart battery management system with 30 hours dive time per full charge (without the use of the transmitter)
Bluetooth connection for direct connection to a smartphone
Underwater menu allows certain settings to be changed during the dive
Future deco and runaway deco alarm
Three watch faces plus color options
Changeable strap for use with any wetsuit thickness
Wireless charging base