Mares Sirius L Dive Computer Swimming Fins Since its introduction in 1989

Since its introduction in 1989

A drain in the reinforced PVC bottom ensures that any water empties out

To prevent interior fogging from residual moisture

Real time PPO2 monitoring of 1 - 3 O2 sensors

Available in either black with a yellow glow-in-the-dark handle or black with a black handle

Mares Sirius L Dive Computer Swimming Fins Since its introduction in 1989Key Features at a Glance: Dive modes: Air, Nitrox, Multigas Nitrox, Freedive, Bottom Timer Bhlmann ZH L16C algorithm with customizable gradient factors Multigas capability: up to 3 gases Safety Stop and Safety Stop+ options Bottom Timer mode with resettable average depth and stopwatch Decompression dive planner with user adjustable surface interval Logbook capacity for up to 100 dives with graphs (via Mares App) User replaceable battery (CR2450)