Freedive Mode Main displays Depth and Elapsed Dive Time with access to either a pre-set countdown timer or lap timer</li><li>User defined surface recovery timer
repeating elapsed dive time alarm
repeating depth interval alarm and 3 max depth alarms
The AERIS F-10 was designed by freedivers for freedivers. It has many freediving specific features including a wide variety of convenient alarms. It's ideally suited for all types of breath-hold diving, spearfishing or freediving, recreational to competitive.