Freedive Timer, 100m Depth, PC Interface, TIme. Free-diving instrument with free, gauge, and watch modes. Maximum depth display to 100m, with adjustable profile sampling rates down to 1 second. Logbook records and stores dive data. Optional PC Interface allows you to download log graphs and further analyze. Includes display shield. Dual-time and alarm. PC software not included. Material: Plastic Composite / Elastomer (Also Model: Suunto SS005987800)