Freediving Computers from Salvimar ,Scubapro,Oceanic all feature a Dedicated Freedive Mode. The Freediving mode provides the Freediver with accurate depth and Freedive time recordings as well as alarms. The Freediving computer is programmed to capture the depth three times a second for an accurate maximum freedive depth reading, while also recording the profile memory every second. The Freedive time, in minutes and seconds, is clearly visible in the centre of the display. The user adjustable alarms can be set in advance to keep Freedivers informed of their progress throughout their dive.