Mares Sirius L Dive Computer Diving Gifts and Apparel The full back helps to

The full back helps to protect you from the sun

Micrometric quickly adjustable buckles mounted on the skirt

Spring-loaded snap closure for easy one-handed operation

An old adage among divers is

Mares Sirius L Dive Computer Diving Gifts and Apparel The full back helps toKey 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)